Make sure both people clearly want to do it
Talk about boundaries, consent, and what you are comfortable with
Choose a private, safe place where you will not be interrupted
Use protection to reduce the risk of pregnancy and STIs
Have lubricant available if needed
Go slowly and check in with each other
Stop immediately if either person feels pain, fear, or changes their mind
Keep communication honest throughout
Be prepared for awkwardness or nerves
Clean up afterward and take care of each other
Get tested for STIs if relevant and follow up on contraception if needed