first ask yourself why? is the reason logical? if it is, tell it to your girlfriend. if she is a rational girl and if your reason is rational, she would probably understand.
You dont.
dont, but ask her why, and who she is with...
Explain things to her
I dont think so No
dont want to have a threesome
If you want this to last.. you dont
seb do not have a girlfriend because i want to go out with him thought i am 10 but i dont care
Umm then just Do it!
stay with your wife your in lust with with your girlfriend an that wont last
Being girlfriend and boyfriend must be a mutual thing.... both of you have to want it. Unfortunately it seems that she doesn't want it... so you have to move on.
by saying, I'm sorry i dont want to ruin our friendship. or say that oh i dont think of you as a girlfriend
you dont want to know