This is a great video that helps to explain why some men feel the needy and clingy feelings that they do. Its important to realize sometimes whats going on behind the scenes and that way you can recognize your behaviour problems and sort them out.
A couple of key points to take from this video include making time for yourself instead of focusing so much on your girlfriend/wife/partner. As well as a fantastic explanation as to WHY you are feeling needy in the first place. Enjoy the video.