My wife wants me to cum in her mouth. But I can't.It seems that I only cum during intercourse.I really want to cum in her mouth. But it just dosen't seem work that way for me, nothing happens. She feels that she not doing a good job, but really she is trust me. Is there anything that we could do to help me reach my climax while she giving me a blowjob? Either techinques or something. I need help please!