Yep, that's right. Toughbird, you can't change the past but moving forward, stick with people who will stick with you. Pursuing people in a one-sided manner will not make them want to be around you, but will have an opposite effect.

Nevertheless, it's good that you decided not to contact M. again. It's really good that you are starting to make changes as a very young person, so you can pursue healthy and mutual relationships for many hopeful years to come.