<s>[INST] Hi, mayHey there! I am a gay, me and my mate have a daily penetratHey there! I am a gay, me and my mate have a daily penetration, he cums inside me...my question is, if i have hommeroids and his sperms goes inside my blood, will my immunity system consider semen as a intruder and fight it then,if yes, what about the semen which is in my body(my testicles), will be fought as well? thank you I answ [/INST] Hello, Sperm cells can not penetrate your blood vessels and it will not survive in blood also. Nothing much to worry about it. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Shinas Hussain, General & Family physician </s>