Scream loudly and compare sizes lololol
When your girlfriend tells you "You have a weak penis" or "Your penis is weak"
maybe not...:)
A female does not have a penis. Only a male has a penis.
Good.
When your wife walks in on you and your girlfriend.
Why do you think?
The size of your dick is not the most important to please a girlfriend. Usually young boys are concerned about the size of penis. However they cannot forget that girls like to be treated respectfully and want to find some guy nice to talk, funny, smart, honest.
Could be involuntary, or maybe she does it on purpose. Ask her and find out which one it is. If she doesn't know she's doing it, the reason won't be easy to find!
Tourniquet the stump to stop the bleeding. Rush penis (in plastic bag) and yourself to a hospital and hope for the best. (Storing penis in ice may [further] damage the tissue and is not recommended.) And sever (:-)) your relationship with your girlfriend.
With a long stick. ED. or with your penis
the toothbrush is bigger (o.O)
You will need to relax your girlfriend - take more time for foreplay.