The smile forms a "crack" in the face. Any reference to wax is a made-up story designed to entertain.
yes
You are a mirror.
Smile at her, crack a joke or show her something valuable of yours.
A mirror.
This is an example of an idiom, which is a figure of speech that has a meaning different from the literal interpretation of the words. In this case, "didn't even crack a smile" means the person did not show any signs of happiness or amusement.
It is a mirror
yes
The guy will come up with some topic or other to have a "short" talk with you. He will try to make you laugh and will smile when he knows you are enjoying his company. He will also crack some naughty jokes at you.
make her laugh and smile, talk to her, crack jokes, be nice, ask her out.
you smile came out in 2010 nov 21
Your Bum Crack