XXX is:
Do you feel ashamed and satisfied at the same time?
I do not know how to describe more accurately.

YYY :
"I know this change of shame." (c)
Of course, it is familiar to any girl who at least once returned home naked at 5 a.m. after the party, and forgot her underwear under the bed with a random boyfriend.
and what?

XXX is:
I listen to the group "Beasts"