Did you just... forget that STD prevention is a thing? As well as more intricate details of safety? Fun fact that you never learned in sex ed: Whenever any couple, straight, gay or otherwise, has anal without using enough lube, it can cause microtears (those things that spread STDs; bet you've never heard of those either) that are so damaging it is possible for the "receiving" partner to quite literally bleed to death. Here's another fact: Did you know you can get an STD from fingering someone if you have any cuts or wounds on your hand? But no, tell me more about what your 12 year old brain thinks safe sex education should be like.