This has OCD written all over it. Some people are just more prone to nosebleeds. I have to put Vaseline in my nose every night. If I forget one night, its fine. But anymore than that, and I will get a massive nosebleed. I have had this for years and as long as I don't go too long without the Vaseline, its completely fine.
Oh do you also get scab inside nose on and off with the bleeding maybe this is a reassurances but I can’t help it :(