Homosexuality is an inborn instinct that's determined in the embryonic stage itself as suggested by several scientific studies.
There's no right way or no wrong way of having sex either with a member of the opposite sex or with someone of the same sex.
Sex is all about pleasure and so any and every body part can be a source of pleasure depending on the number of nerve endings in that spot.
There's no restriction that the dick should only enter the vagina and should not touch or penetrate the anus or the mouth or the fingers or the ears or the breasts or the toes.
Observation, the laws of MOST countries disagree with you and call it WRONG.
Who determines wrong? What is wrong?