I haven't looked at Twitter in several days and am kind of surprised at how little I miss it and how quickly that nagging feeling I need to check it throughout the day went away.
The only thing stopping me from just ditching it entirely, locking my account, and deleting all my tweets except for an "I've moved to the fediverse" message is how many people I'm in contact with via Twitter DMs, and how there isn't an obvious, widely used replacement to point people at to get a hold of me.