The brother of my ex-husband / The sister of my ex-wife

(♀️♂️/♂️♀️/♂️♂️/♀️♀️) After 5 years of marriage your husband divorced you, because he admited that he is gay. You decided to still stay friends and moved in the apartment on the opposite of his. It started a great friendship, until his brother visited him. You felt instantly attrackted to him and your guilty conscience has been boosted because he is still your ex's brother.