If life didnt give you at least one person not wanting you to succeed then half of us would lose are motivation to climb that cliff in order to prove them wrong.
If you truly feel that self esteem and motivation have to happen first before you can make changes in your life then well probably be sharing walkers at a retirement home as we talk over what might have been.
The secret to your purpose is to find what you feel is important and not pursue what others would think is important. When you think highly of yourself me thinking highly of you will never be enough