You need to accept
Sometimes people hide their failures behind a smile. But this does not mean that he soon forgets it. It is a mask for others. But to really forget them, you just need to deal with your feelings and thoughts.
Their failures need to learn to accept, then all the trouble will be not such painful. If the person fails to take, it will be easier to cope with other failures. Well, if it fails, the new challenges he will take an even more passive and emotionally. The most important thing, don't let feeling sorry for yourself and accept the fact that you feel.
Remember that this is temporary
When the man in your life had to deal with bad luck, he begins to think that he's a loser. No need to make such hasty conclusions and prophesy thus their failure. After all, everything bad that happens to us, is temporary. Definitely better luck next time! It is with these thoughts you need to nurture your consciousness. If a person is positive, then everything in his life will change for the better.
Put simple goals
Instead of working on improving their capabilities, a person is in a whiny and sad mood. Do not be afraid of their mistakes, they need work. Let it be a slight advancement towards the goal, but it is necessary for human dignity.
For a start, set yourself easy tasks, then harder. After all, life is not all smooth and sweet, so set goals for yourself that can handle it.
Let the memory will be only good
To be able to escape from past failures, it is necessary to remember that period of time when he gets to implement his plan. Maybe there was some specific episode in life, which ended successfully. It is important to relive these moments, only memories. And then these good thoughts can take on a new case.
As mentioned earlier, do not be afraid of their failures. On the contrary, it is very useful to humans because it is the basis for its further development and interest in activities.