Jumping on every trend keeps you busy. Building one real skill keeps you employed.

Novelty provides constant activity and very little accumulation, since each new thing resets you to beginner. A skill built over years compounds, because everything you learn attaches to what is already there. Busyness and progress feel similar from the inside and look completely different after three years.

Ask what you will still be good at in five years if you keep doing what you did last month. If the honest answer is nothing in particular, choose one durable skill and protect regular time for it. Let the trends be something you visit rather than something you chase.