I’m horrible at sex

Summer • My family is my everything! Horse trainer/ barrel racer

I’m the type of person that could do the same position or two for the rest of my life and be happy ( fucked up ik) my bf on the other had tells me I’ve come a long way ( we are each other’s first if the explains anything) but he keeps asking for changes Idk how to widen my sex range I can’t do anal and porn doesn’t do anything for me and I’m so lost please help!