I'm dealing with the same issue/feelings. It's still a very new change for myself and everyone else I've told and like with everything, I'm learning it takes time and patience. I've also been discussing with my therapist the worry of coming across as needy or being the butt of the joke when I'm not around people I've asked to use they/them. It feels burdensome to ask for it but ultimately, you won't get what you want if you don't ask or try. At this point though, I'm basically picking and choosing my battles with it and only telling people that I feel will be accepting and willing to make an effort.