Honestly though, what do those represent...
I would assume the bed is pre-marital love, and the ice-cream is gluttony, but the others?...
I think that the bed is pre-marital love (as you said), The Ice-Cream is temptation, the money is greed and the lips is.. Not sure how to explain it. Pretty much just loveing someone up. Or kissing someone pre-marital/while being young. Girlfriend Boyfriend sorta.
EDIT: The lips mean loveual contact.
EDIT2: I think