Okay, since you want reaction asks, what are the pack's thoughts on a MC who desperately wants / tries to play with their hair all the time as a form of need of contact? Not only the ROs as it isn't really in a romantic way, just in general.
Bela is very tolerant of this, especially upon noticing that it helps soothe MC. They often have the pups all over them so they are accustomed to constant contact and they like it - especially as an Alpha, they find a lot of comfort in having their pack members close.
Kesha is a bit skittish at first. They do like the closeness and contact, but on the other hand they become restless after a while, unless they are absorbed in an activity, in which case they will stay cuddled with MC having their hair played with for all the time in the world.
Indigo, despite their grubling, allows MC to play with their hair. They will kinda protest and huff in loving annoyance but it's just a farce because whenever they see MC stressed they offer their hair to play - or for MC to have the tactile input of their long curly wolf fur.
Raine, surprisingly, grumbles way less than Indigo. The act of playing with her hair has her stay still, and allow it to happen for oddly long periods of time (considering her usual behaviour). This kind of contact holds a personal significance to her which MC will not understand until Raine opens up, after trusting them completely and letting her guard down.
Devine is the only one who shies completely away from this, she isn't for prolonged physical contacts in general, and in particular has a sensitive scalp which makes it all the more unpleasant. She would explain her reasoning to MC, though, and, if she's feeling particularly soft, apologise for not allowing them this.
Heva is exactly like MC. This is one of their stimming behaviour and she does this quite a lot too. Of course they allow and encourage the behaviour.