Why won't he pick up his stuff?

[oldskool83]

who cares why he wont. send a text give 2 weeks notice say by this day your stuff is out side on the curb after then i am not respnsicble for it. end of story.

[haxan]

Since the OP didn't say exactly what 'stuff' it is, it's pretty clear it's probably just random junk he doesn't need and doesn't want. Take it as a hint that he'd 'more' rather not see you, than pick up this 'stuff'.

Move on, he did. Do what you want with the crap, it's obvious he doesn't care.