Most of the guys are really desperate to be in a relationship and experience what is it really like, until the possibility is right infront of them. After committing to someone, they experience different relationship fears which are stated below:

1) Men are afraid of becoming too serious for their partner and getting a heartbreak because of which they prefer to avoid relationships.
2) Men are afraid that they won't be single anymore and won't be able to enjoy complete freedom and fun without restrictions and boundations.
3) After committing to someone, they're afraid that they are not that one exact person whom they were looking for or be right for them anyway.
4) Men fear that their partner might not like their 'real self' and may leave once they get to know them better. They don't want to be dumped.
5) Sometimes, men don't know whether they are getting into a relationship out of actual love or just loneliness.
6) Men are also fearful of obsessive, clingy kind of a partner and are afraid that they might not give them their own space.
7) Sometimes men feel that they might not be good enough for them and equal to them in all aspects.
8) They're also afraid that their lifestyle might be completely opposite to that of their partners' and that kind of a relationship is never compatible, successful and long-lasting.
9) Men are also afraid of what their partners' friends and family might think about them as their opinions and judgement also matters.
10) Men have this constant doubt in their mind whether it is the right time to commit or whether that relationship and partner is right for them.