Bl Manga Ages

Do you guys ever just decide to take it upon yourself to give new ages to characters in bls? Because sometimes I think the ages the authors use get kinda outta hand it's difficult to tolerate.

I once read one where they were 10th graders? (I don't use that school system but the comments said that was 15-16yrs old?) and it's really discomforting.. pls just make shounen ai