the helmet stays on during sex

The only star wars media I've ever seen was the mandalorian, I've never seen any of the main movies and stuff, so feel free to make fun of this answer. What I've gathered from context clues is that they're like the Quakers and they just adopt. Then Mando met that single mom on that wet planet and I was kinda hoping he'd abandon his mission, take off his helmet, and just get with her and they'd raise her son and his green baby like step bros and have the perfect lil blended happy family.

yes. they canonically bone in armor. it's so that as they fuck they understand themselves to be bringing into the world a new warrior

Isnt it like how religions with covered up women mate? In the house, wear whatever, outside the house you armour up