He left those items out of laziness or maybe to have something to come back to. Either way, you won't find out so it's not worth trying to mind read. If they bother you, throw them in a bag and put them outside and he can pick them up.
It sounds like your GAL is working well. Are you contacting him or is he contacting you?
How do you feel about him now? Are you hoping he comes back to the MR eventually?
One thing my priest told me is that all you can do is pray sometimes. It helps me focus on what I really want and who I really want to be.
H 34 W 29 BD 3/12/18 Divorce Busted Spring 19
It is not things that bother us, but the stories we tell ourselves about things.