Girls one and only!!?
Answers: More restraint, and perhaps incorporate some lube.
It should not hurt.
Use a condom EVERY time!
Your vagina is a muscle, I think fluently it wants to be tight so it can save your reproductive organs safe. If you don't enjoy sex for a while your muscles are not being stretched so they tighten up a bit its adjectives about getting your body used to it. it may filch time and its no lie that it can hurt more than the once. but that will definately contentment off near time dont worry it wont hurt forever.
if youve have sex previously without it hurting it might not hurt to see a doctor to cause sure everything is alright down there.
It sounds approaching he's not getting you excited enough earlier he enters you. It should not hurt. If it hurts, share him you need more stimulation/foreplay earlier he can enter you. If he cares roughly you, he will take support of that. Your body should provide enough unconscious lubricant when you are excited enough; you should not call for extra lube. If he doesn't care adequate to get you arranged properly, if all he care about is his own enthusiasm, you don't need him.