People come and people go. That's life. Stop holding on to people that have let go of you.
Bad friends are best avoided completely, and you should be wary when you meet new people. Always make sure that you clearly understand the motivation of the other person before you form a bond of close friendship. Some people will try to make friends with you because they covet what you have. Others may seem nice but they may not be capable of true loyalty or legitimate closeness. A bad friend can cause devastation on a scale that even your enemies may not manage, because they are closer and know more of your secrets.
People come and people go. That's life. Stop holding on to people that have let go of you.
Don't let someone else control what you do in life. It's your decisions, your outcomes, your life.
Some people come into your life as a blessing. Some come as a lesson.
Not everyone is committed to fighting the battle with you.Choose your army wisely.