kinds of hetero relationship that are holy: himejoshi.
the two met in the yuri fandom and consume manga obsessively, often reading it together aloud to one another, sharing recs etc. the guy is not an egg and calm in his identity. every time the girl talks about a girl crush she has or an ambiguously flirty moment with a gal pal, her boyfriend is squaling inside and incentivising her to have a fully private romantic life away from him. (also works in the other direction for hetero yaoi couple)