A: Don't you think a bit of distraction might be good for you?
B: I don't know.
A: Well, if you want to do something sometime, just let me know.
B: ...You have something/anything in mind?
A: No, I just thought you might want to get out a little.
I know the difference between 'something' and 'anything' but would one of them for some reason seem more natural than the other in this context?