If you have ever wondered whether your girlfriend is ready for a mature man, then here are some tips that can help you determine whether she would be interested in getting a mature man's blowjob or not. The first thing that you need to do before giving any man a blowjob is to know his sexual orientation. If he is straight then you should know that if a girl would like to have sex with a straight man then she would also love to have oral sex from a guy who is mature. There are many women out there who think that oral sex is the best way to give a guy a blowjob. But the fact of the matter is that having oral sex does not make a guy fall in love with you or even give you a chance to know him better..