I Can't Quit!!!!

After we swapped bodies, my girlfriend and I became aroused and started having foreplay. One thing led to another and we were having sex. She had always refused to let me stick it in her ass...well... She said "Hold on because I'm gonna give you what you've always wanted to do to me..." and with that she shoved it in my anus. WOW!!!! After the initial pain all I can say now is "I can't quit!!!"