But for you a first time might also mean your first kiss, or the first time you masturbate someone or someone masturbates you. Or the first time with your new partner.
Whatever first time it is, it’s something you’ll never forget. It’s exciting and special. That’s why it’s important to make sure it’s a really nice experience.
How can you make sure your first time is a good experience? We've put together:
Ten tips for first time sex!