But there is, it causes problems and puts unproportionaly much pressure on the other side. Aka the other side needs to do the initiating 99% of the times, which creates the feeling of not being wanted. Coupled with the constant rejection as well isn't that good on self esteem either.
Like in relationships posts which get more popular, there are always guys who complain how they're tired from constantly initiating and don't feel wanted, which leads to them just giving up all together.