Prep appointment Monday

Although I enjoy bareback sex , I also like to ensure I'm healthy, including my sexual health so now have a dilemma, a young guy ( 22yo) who likes older guys wants to fuck ne as you can imagine as a young man he's constantly horny, I've already explained that I have an appointment to have blood tests and get more prep on Monday, but he's still horny, so should I invite him over go bare and make the test results on Monday useless whilst risking giving hom an STi, invite him over and tell him to wear a condom , or tell him we can meet after Monday... depending on results ,

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