Being early to a trend is luck. Still being good after it’s over is skill.

Arriving at the right moment is mostly timing, and nobody controls timing, however it sounds in the retelling. What happens next tells you more: whether there was substance underneath the moment, whether you kept working once attention moved on. Trends lift everybody standing in the right place and then set them all down again. What you are left holding is the skill.

Ask whether what you are doing would still be worth doing if nobody were currently interested in it. If yes, build the underlying ability rather than the moment. If no, that is better to know now than in two years.