Advice!

When having a issue lately. Been to doctorbefore this and never hurt i just turned 30. Well when i have sex it like im not fully aroused or something and when i go to have sex last time i did back august 8th 2023. It was painful but once it kept going it went away. Last guy i was with before him he was a bit bigger. But what could be wrong otherwise everything else is good. Besides my mental health.. just unsure why my vagina would hurt when a guy puts it in. Then goes away after awhile. But i can use toys just find no pain or hurting.!!!! I feel maybe when i do it my self it feels better but a guy does it he doesnt get me going enough. Any help?