When the door of happiness closes, another opens; but often times we look so long at the closed door that we dont see which one has been opened for us..
Life is a collection of changes. So don''t avoid changes. Take every changes as a challenge. Some give success and some act as the stepping stone to success.
It is of practical value to learn to like yourself. Since you must spend so much time with yourself you might as well get some satisfaction out of the relationship.