oh hmmm hmmmm bin helping maet take a shower/bath and maet cooking for Bin on mca days (which is actually canon but eh) I'm like p big on the they take care of each other agenda so I always like to include lil headcanons that involve them taking care of each other in different ways from things that are really mundane to things that are grand gestures! ah I also used to love headcanonning that bin calls maet "baby/my baby" but that's actually canon now so I don't know if that counts dkdhdjdbej