Yes.
It's absolutely normal--you're sexually aroused by stimulation (kissing, touching, etc.) with someone you find attractive.
makes the world go "round.
Round eyes are "des yeux ronds" in French.
kissing
through their mouth
Yes
Bolus is a round soft mass formed in the mouth after chewing
You take three small pieces from the top of your head. Start doing a normal plait after a round of plaiting start adding hair each time you plait. Then you will have a beautiful french plait!
Alligator.
The adjective form for mouth is 'mouth', such as mouth pain or mouth organ (harmonica).
The noun is spelt 'rond' in French.
Anything is possible.