It's a question that's surprisingly hard to answer for yourself. People can be brilliant at telling other people what they're good at, but turn the same question on themselves and they go blank. There are a few reasons that happens, and a few reliable ways through it.
Why the question is hard from the inside
The first reason is the one we covered in Hidden skills: a lot of what you're good at is invisible to you because it feels easy. The skill is so well-developed that you no longer notice yourself using it. Asking 'what am I good at' from inside your own head is a bit like asking a fish what water is.
The second reason is that 'good at' implies a comparison, and most of us are reluctant to make one. If you say you're good at something, the next question your brain asks is 'compared to who?', and unless you can name the person you're better than, the claim feels presumptuous. So we hedge, and we end up with nothing on the page.
The third is that the question often gets confused with 'what's my passion' or 'what's my calling', and those are different questions, often impossible to answer in the abstract. You don't need a passion or a calling to figure out what you're good at. You just need to look at the evidence.
What the evidence usually looks like
Strengths leave traces. They show up in patterns, in the things people come to you for, in the work you do without being asked, and in the things you get better at over time without trying particularly hard. None of those traces requires you to declare anything about yourself. They're just observations about what's already happening. Here are five ways to start collecting them.
1. Notice what people come to you for
Over a few weeks, pay attention to the requests. The questions friends ask. The advice family members keep coming back for. The bit of work colleagues route to you because 'you're good at this'. Specific, repeated requests are evidence. If three different people in your life come to you when they have a difficult conversation to write, you're good at writing difficult conversations. That's a strength.
The things to notice aren't always positive. The friend who only ever calls when they're in crisis is telling you something about your capacity to hold steady under emotional pressure; that's a skill. The colleague who routes the awkward client meetings your way is telling you something about your ability to handle hard interactions, which is also a skill.
2. Work backwards from compliments
Most compliments are vague ('thanks, you're great'), but some are specific, and the specific ones are diagnostic. 'You always know what to say', 'you're so organised', 'I don't know how you got through that' are pointing at something real. Write them down when you hear them. Patterns emerge surprisingly fast.
Compliments from people who don't know you well are particularly useful. A casual acquaintance noticing something is more reliable than a parent noticing the same thing, because the parent has years of context that might be making them generous.
3. Look at what you do without being asked
Every workplace, family, and friendship group has work that someone has to do that nobody has formally been assigned. The person who's quietly ended up as the one who plans birthdays. The colleague who started reorganising the shared drive because someone had to. The volunteer who took on logistics for a community event because nobody else was. Volunteering for the unowned work tells you something about what you find easy enough to take on.
The point isn't that you should keep doing the unpaid, unrecognised work forever. The point is that doing it tells you something about your capabilities. Mining that data is useful even if you eventually want to stop being the family birthday planner.
4. Track what you've got better at
Skill is built over time, and the trajectory is informative. Pick a few areas of your life (work, a relationship, a hobby, a household responsibility, a community role) and ask yourself what you can do now that you couldn't do five years ago. The answers are pointing at where your development has actually gone.
Often the development has been in places you didn't plan. Someone who took on care for a parent with dementia and didn't expect to has often become genuinely skilled at navigating health systems, advocating with professionals, and reading subtle behaviour changes. They didn't set out to become that, they became it. That's still a strength.
5. Ask the people who know you well, but ask them properly
Asking 'what am I good at?' to a friend usually produces a vague answer, because the question is too big. Better questions: 'When you think of me, what do you trust me with?', 'What do I do that you wish you were better at?', 'When have you watched me handle something well?'. Specific questions get specific answers, and the specific answers are the ones you can do something with.
Pick two or three people who know you in different contexts (work, family, close friends from outside both) and ask each of them. The differences and overlaps are useful. The thing that comes up across all three is almost certainly real.
What to do with what you find
The biggest mistake people make at this point is to discount what they've found because it doesn't sound impressive enough. 'I'm good at calming people down' isn't going to win a prize, but it's the foundation of careers in nursing, mediation, customer service, leadership, hospitality, and counselling. 'I'm good at noticing details everyone else misses' isn't going to feature on a TED talk, but it's the foundation of careers in safety, quality assurance, editing, audit, and investigation. The thing you've found is worth more than your first instinct will tell you.
Once you have a few candidates, the next step is naming them in language that other people will recognise. That's the next piece in this series.