As for people who call themselves "demiromantic" I feel like they have no idea how interpersonal relationships work.
I-I guess the best way I can explain it is that I can't feel desires for people based on lovely appearances or anything instinctive. Those kinds of things don't get to me at all. ;w; I have to already be 'attracted' to someone on a deeper level. The way I usually describe it is if I'm not already in love or caring deeply for someone, I'm asexual. XDD;
That usually helps to get the meaning out there better. Hope it helped a bit. ^^; Demisexuality is a project to explain, dfkjdslj.