Our TG Caption

She was a fun time, but you want a more permanent arrangement. You finally call your brother out of the closet and force the two to merge.
You make sure that the resulting person keeps your brothers memories as a way to further your revenge. but make some key changes to his personality. He now finally truly a she; takes on her sexuality, becoming a heterosexual female.
You also leave him with her love of things girly.

Your brother protests once more over the sudden transformation.