I need advice for my first time

Daja • 18• Coffee Lover• Amateur Painter and Photographer• Nature Lover• Trying to Play this Crazy Game Called Life
I'm 17 and a senior in high school. Sex has been on my mind a lot lately and this is the first year that I've considered sex with someone I'm talking too. Any advice for my first time? Does it hurt? Anything that I should be aware of? Any tips to reduce the amount of pain?