Answer: Self-image and self-esteem are very closely connected. Self-image refers to how we perceive ourselves, both physically and mentally, while self-esteem is how we feel about ourselves based on that perception.
When it comes to increasing both self-image and self-esteem, here are a few ways: In my personal experience being a skinny guy always being called skinny it would make me alot more shy and make my self-esteem low, i started hitting the gym and it overall increased my confidence and self-esteem alot and made my self-image better because i actually got bigger and stronger