Sissy first for me. Probably started at age 14 or 15. The cuck thing interested me later. After I got married. (Hard to be cucked with no wife, amirite?)
The good news is my wife actually indulges me with my sissy behavior most of the time. So that’s nice. The bad news is she has ABSOLUTELY no interest in me being a cuckold in the modern sexual connotation. She’s outright refused any of that. Although she does have boyfriends, it’s never when I’m around. She never talks about them and she asked that I don’t ask about them.