Post bike build blues?

Just finished a beater build and after struggling to get a few things sorted which kept me busy for a few weeks, now it's all over and built I sort of feel a bit down about it!!

Anyone else had this?!!

The tinkering and building up for me is half the fun of bikes. So can understand where you are coming from. Like others have said maybe its time to start planning that SS MTB or a polo bike or a vintage conversion etc.