Self love is considered as the most underrated thing nowadays, rather it should be at the top of your priorities.
You should love yourself, the way you love others.
You should find happiness within yourself rather than finding in others.
You should prioritise yourself rather than making someone else your priority.
The way you forgive others, the same way you should forgive yourselves.
Here is an article, giving you an idea about it
https://buddingpsychologists.org/self-love-a-road-to-happiness/