Obviously you can't completely prevent one of you getting hurt feelings or regretting what happened, but you can reduce the chances with clear, honest communication up-front. Sex gets better with practice, so for her first time, focus on making sure she's comfortable and happy. Your 1 goal should be on her comfort. Cuddle, say kind things, and stick around. Now is not the time to be experimenting with wild positions and sustained sex marathons, and your main focus should be on ensuring your partner's comfort.
S don't forget condoms.
She's A Virgin
There are still risks to consider no matter who you are sleeping with, so make sure you are using protection i. Would this be good? Be a support person and a sounding board, and be open about any fears or concerns you have, too — she should be making a similar effort to make sure that you are feeling positively about the experience as well. Take your cues from your partner: Take it very slow. If this is a massive, massive deal for her, you're going to need to talk about it in detail and spend some time laying the foundations for the event.