Get a grip. You are apparently in a serious relationship and what you want to do is manipulate the person into doing something? If it's that serious, you should propose, and be careful about avoiding manipulative behavior.
make a sexy time
The girl can propose too. My mom did to my dad
Proposing to a girl for the first time can be very stressful, but you want to make sure that it's romantic because hopefully it will be the last time you have to propose. Get her some flowers and try to propose after a romantic dinner. Make sure you've got a ring for her!
Have the girl propose to the man.
There is no way to propose if you don't know the girl and what is the point in proposing?
they have to be in love. Then click on the girl while playing as the boy and choose "Propose" and then "Engagement".
The exact same way you would propose anyone you'd want to propose.
Yes, you have to get the girl to like you alot, and make sure you have had your first kiss before you propose to her.
Don't propose then idiot
Yes she can.
You don't. You have to get to know her first.
There is no age restriction to propose a girl. However, there is a set minimum legal age to marry.