Depending on the situation these 2 people are in, there can be multiple reasons:
Maybe the attraction is not mutual.
Maybe one is totally in love while the liked one has only luke-warm feelings, maybe even with unlikly or without any prospects for deeper feelings in the future.
Maybe it's foreseeable that their school/university/job plans can o...... reply
Maybe some of them feel pressurized
(I mean it's hard to accept when someone with their one side love suddenly confess you and wanna date you as soon as possible but you don't award about what you feel towards them)
Manipulate or misunderstanding
(When suddenly someone confess the such a amount of love mostly people doubt if they'll start Manipu...... reply
There’s a lot of possibilities:
- They don’t like the person (romantically or not)
- It’s too intense for them
- Not ready for a relationship
- They don’t like a “clingy” guy
And a more “toxic(?)” reason:
- it’s not a guy approved by other girls.
(Girls tend to like guys that are taken because it’s like proof that the guy has ...... reply
Cuz they don't own anyone anything for someone liking them
Just because you confessed doesn't mean you're entitled for anything more than a rejection reply
I think its a preference thing and also a personal thing, and sometimes it might end up burning them out if the other person likes them "too much"
Also the same can go for the other gender as well, I think its weird that you use a certain gender with something that can be said for most if not all people... reply