Always interesting hearing others' stories and seems like we're all living similar lives.
1) I play with my partner's hair every morning and every evening after work. Essentially anytime we're together and alone I can't resist running my hands and burying my face in her soft, silky hair
2) Varies but around 1-2 times per week. She uses her hair during it as well, and the combination of sex and feeling her hair all over me is otherworldly.
3) Not as often, maybe once every few weeks we'll play a game where she'll make me cum only using her hair. These are some of my favorite nights and makes me feel lucky I found someone who's so open to the fetish and nonjudgemental.
Curious to hear others' experiences, too!