You can become friends of yourself and your mind if you are able to practise pratyahara. That is the procedure to discover your mind. If you follow the procedure of pratyahara, you will definitely come to know certain aspects of yourself, your nature, your mind, which you can attempt to change, improve and transform. The only way to become friends with oneself is by knowing oneself. You begin with everything that transpires within you by becoming the observer, the drashta from the Samkhya perspective. If you can become the observer, if you can become the drashta of everything that you do, think, desire, then you go a long way in discovering yourself and knowing yourself and your mind.
Pratyahara is a simple, progressive system which allows you to internalize and look at yourself from a different perspective. It is one of the best methods. Not meditation, not dharana, asana or pranayama, but the progressions of pratyahara will lead you a long way on this path.
6 October 2018, Ganga Darshan, Munger