system
A chat on subreddit /r/wallstreetbets
human
You can have unprotected sex without the kid part. Just make sure the girl is on BC. 


Source: Recent college grad - I’d say large majority of people do not use condoms based on my experience (sample size of 18 girls) and also talking to friends.
gpt
Whys this downvoted lol. BC is just as effective as condoms.