While I was skeptical at first, I have really come around to loving 5E's leaning in on concentration as a duration and limiting spellcasting power in that way (I don't want to argue about how or if that is necessary, I'm just saying it feels like a move in the right direction for my sense of wonder), that said, I am having a hard time remembering that people need to make concentration checks when they take damage while one of those (MANY) spells is in effect.
In the session I ran today, twice I had a player bring it up after the fact and make the roll as soon as he remembered, because I just keep forgetting to call for them from players (and in their defense, this system is new to them as well) and I forget about them about half the time for opponents as well.
So does anyone have a trick for remembering? Or is it just a matter that we need to just get used to it? And also, if the latter - well, I've been running 5E since January 2020, so way over a year!