The VAST VAST majority of people see some degree of sexual contact as a necessity in any long term relationship. You are, of course NEVER obliged to have sex with anyone. However, stating in your bio that you are in no way interested in sex will mean that you don't have to deal with people who expect it. because they will read that and simply move on and look elsewhere.
There are plenty of asexual people out there who only want companionship and you really ought to concentrate on them. A relationship between you and someone who isn't asexual will only end in resentment, because either you capitulate or they do. It's the same with having children you have to be in agreement with your partner or it won't work. Even if two sexual people have different libidos it can be a problem because one feels starved for attention and the other feels pressured to the point it becomes performative.
