Be careful in everything. Since we are childhood friends, that girl must trust you very much. Besides, this is her first time, and you should apologize sincerely, provided that your girlfriend doesn't know, so you two can handle it in private. Maybe you two won't get along very well in the future, but look at what that girl is like; Besides, you were drunk and lost your mind. She's sober herself, right? She is also at fault.