I really need to spice my life up!?

so for 3 years my boyfriend has been telling me i give great head. and he recently told me its really not that great he just didn't want to hurt my feeling. soo now i need to know what im doing wrong. our life has kinda been sucky latley and i need suggestions on how to make it better and how to do what he wants when preforming oral. also i dont really know how to ride him that well so any suggestions about that would be wonderful. sorry if my question offends anyone i just need a little help here. thanks!