I want to have sex with my girlfriend?

i want to have sex with my girlfriend. she not ready, but every time im around her i have hard wood and i need to empty it out ya feel me? anyway, i always tell her oh trust me its gonna be nice as anythang and its normal. i mean i respect her eyesight, but damn i got to get me some of that. do you think i should give her some space or still try to convince her to let me tear that up?