Having a positive thinking can help you when it come to building a life you desire. Always ser realistic goals, try to find humour in every situation, see yourself as a success and don't forget to be kind to people. Confidence is the key.
No one can make you happy the way you would make yourself happy, a relationship is a partnership not a co-dependant situation. The relationship with yourself is the only relationship that you know for sure you are going to have for the rest of