The follow-up you tell yourself you will get to later never actually happens later

Every business I have run had a version of this. A lead who asked a good question and never heard back from me. A client who mentioned something felt off during a slow week, and I told myself I would circle back once things calmed down. Things never calm down enough on their own. The follow-up does not disappear because I forgot about it, it disappears because nothing in my day ever forces it back to the top again.

Curious whether other people running something small have actually solved this, not with more willpower, just structurally. Does anything in your process bring the thing you meant to get back to, back in front of you at the right time, or does it just stay buried until the client brings it up themselves first.