... what kinds of things would you think is reasonable to have/expect in such an agreement?
Looking for your ‘wish I’d thought to include that’s and your ‘this worked well for us’s.
(Quick background - no-blame separation, teens split their time 50/50 with both parents. Nothing in writing to date. But some instances creeping in of discrepancies between what's agreed verbally regarding parenting, and then what's actually happening. There is also a new partner on the scene for one parent.)