Question

how constructive and destructive relationships could influence your well-being?

Answer 1

Surrounding yourself with optimist will influence you positively, keeps you motivated and you will courage and strength to live your life.

Having constructive relationship will take you on new paths of higher levels of positivity which will lead to success.  

Developing destructive relationships create a lot of stress which results in loss of concentration, poor health, loss of peace of mind which therefore is a loss of well-being