Find a New Angle on a Hobby That Has Gone Stale

You used to love it. Now it sits there and you feel vaguely guilty. Not because you hate it; the spark has gone somewhere and scrolling has filled the gap. This does not diagnose the hobby. It diagnoses what you wanted from it and where that went.

I have a hobby I used to enjoy but have drifted away from. It is not that I dislike it; the spark has gone and I reach for other things instead.

Reframe this for me. Specifically: what typically causes a hobby to go stale (explain the actual mechanism, not just "you need variety"), what this pattern of drifting away is likely to signal about what I actually want from the hobby, and two or three concrete approaches I could try that would change my relationship with it without starting over from scratch. Do not suggest giving it up unless I raise that option myself.

My hobby is: [describe it here, including how long you have done it and what changed]