"gayness" was here before man, study animals especialy mamals in the wild youl see that they also partake in homosexual relationships and mating.
Megas Alexandros the king of macedon inavaded punjab and his reighn stoped ther thanks to the maghda empire.
depending under what context he wanted to take amrit if he was lookin for amrit to initiate himself into khalsa and to salvage himself spiritualy seems very unlikley, partly due to the fact sikhi had yet to arrive.
although if he wanted to look for spiritual salvation in any form thats a good posibility, we have to rmemebrt the teachings of sikhi have always been here, although not fully realised until the coming of sikhi.