Is my gf a virgin still?

She wants to have sex but shes VERY tight and im huge (not to brag lol) but anyway i hurt her alot she started crying i ddnt go deep in her i think? She didnt bleed so i know her hymen ddnt break. But how do i have intercorse without causing excrushiateing pain everytime we attempt to have sex. Weve tried once. Will KY help or what cause she feels like a failure and she thinks imma leave her cause of it. Which i wont i love her soooo much. Plz hlp