First, make sure she is serious. Then, you can talk to her boyfriend's mom/dad. That usually solves the problem.
how do you what a 12 year old boyfriend snog / kiss
yes
With your mouth.
Haha im an 11 year old boy... so if you guys really like he each other he probably really wants to kiss you too, maybe you should just ask him and talk to him about it.
No, you do not have to kiss anyone unless you are comfortable with it.
just go close to him and just kiss him and i m sure he will kiss you
On the cheek.
if your over 18, you don't
beg her...but remember in 1 year she can do whatever she wants
no
No
A big kiss.