When you have sex should you feel something? this is my second time tring sex and even though it don't go in all the way i can only feel pain?

Sex should feel good: Sex should feel good, not painful. If it's painful, then something's not right. Perhaps position was wrong, etc. Otoh if this is only 2nd attempt, more likely you & your partner aren't prepared or mature enough (sorry to be so rude) since your partner should take his/her time to make sure you're ready so that sex is enjoyable, not painful. Ps don't forget to make him wear a condom to prevent stds.

Vaginal spasm: Vaginismus is the instantaneous, involuntary tightening of the pelvic floor muscles in anticipation of vaginal penetration. This reaction will occur if penetration is perceived as upsetting, painful (even before attempting it!) frightening, or dangerous.