Why do I feel this way about him?(BoyxBoy)

Harley Maya-Davis is a seventeen year old boy with dark auburn scene hair and eyes of misty white and a place complexion. Standing at about 4'10" and weighing 125 lbs. When he and his mother move in with his mother's new husband and Harley met his stepbrother Beck, he was simply infatuated with the boy. Beck stands at about 6'2" and weights 188 lbs with blond hair and eyes ice blue and a tan complexion. When Beck saw Harley he didn't know how to feel about the boy but after a few incidents that had harmed Harley he soon feel madly in love with the poor kid. Although, is all that it seems to be?