I think it's got to be like once you've donated, it's in the system and you're just another borrower.

Maybe there should be a cooling off period for any items over a certain value where you can get it back if you regret donating. But stuff like pens and glitter isn't going to be worth the bother of tracking that sort of thing.

You have to go through a cooldown before you can list something again, to make sure you've really thought about it. Either that or it lets you think you've listed something, but doesn't actually list it for a couple of days to make sure you're serious.

I think there could be a box that you check, where another person linked to your account signs off on it. That way you can list it, and then when they think you're renewed interest has died again, it really gets listed.

Look, I said I was sorry! What do you want from me!?!