The key is to learn how to love yourself.... perhaps work on this if you have a therapist, but self-love will diminish and break those insecurities. You have to see value and worth in yourself and feel worthy of love first. People don't have to be beautiful on the outside in order to attract a partner.... it's what is on the inside that truly matters. So embrace and love all the wonderful and unique qualities you own, because I am sure there are many!!! It is good to concentrate on yourself and to feel good alone.... but if you truly want a life partner, self-love is necessary.