My SO is about 250lbs an isnt very big down there im only 114 an sex positions are difficult i like doggy because it goes deeper but he cant stay in the position too long because his legs are too big he says. we've done girl on top doogy an missionary but its getting boring an I dont like how he trys to finger me I tried talking to him about it but he gets butt hurt an just jumps into sex I dont every really feel like he makes it about me its always about him help advice????