I am going to assume you are talking about emotion. If that is the case then it's better to let it all out, let the wall fall.
Answer:
Once the ball is back into play, the goalkeeper may not touch it with his hands (or arms) until another player has touched the ball; however, he can play it at any time with his foot, etc. The goalkeeper must not delay putting the ball into play after control is established.
So you would need to have all of these following characteristics
Communication Skills,
Emotional Stability
Flexibility
Good Attention to Detail.
Interpersonal Skills
Physical Endurance. .
Problem Solving Skills
