First reason why relationships fail is because people don't know how to have a relationship. It's this simple. People think they should do whatever they feel and don't like commitments and obligations. Everyone wants to be happy and in search for happiness they go from one failed relationship to another.

Another reason why relationships fail is because of power imbalance. Every relationship has to have power balance and when a power imbalance occurs, relationships break or suffer. You don't have a complete control over your relationship because another person is involved. You have a chance to become vulnerable and get hurt just because another person has his own issues.

Relationships fail because of build up frustration on either side. Failed expectations build up frustration and one person will eventually break up if he doesn't see a way to fix things. Always be open to communication because maybe your problem isn't as big as it seems to you and the other person would be ready for a compromise. So, whatever relationship you are having right now, it's o'kay because not everyone is ready for a deep commitment and real closeness.

When you do get older it can be harder to find a relationship because of hurt and pain in your past. Everyone has different past in life which shaped your desires, beliefs, wants and attraction.

A lot of men have problems with relationships and give up too easily because they were never really close with his "guy friends" and never experienced a natural bond that women have with each other. Women could have similar closeness with women friends whereas men usually are not as close to other men.