He just needs to find his groove. I used to baby talk my girlfriend all the time, but when it got to the bedroom she knew who was boss. Id grab 2 scarves, blind fold her and tie her hands up and then just destroy her until she woke up the neighbors. Just talk to him and let him know exactly what...
Maybe you need to see a sex counsellor as well. There are relationship counsellors and then there are sex counsellors, specially trained to dig deep into your mind and see what the problem is. I dont even know how you can eat her out, I would always imagine some guys penis being in there and me...