Smilejunction - It's healthy to feel sad when you feel like, it's ok to undergo negative emotion but while you do that don't let it consume you!! That line of feeling sadness
When I Feel Sad | Book by Sharie Coombes, Jo Fernihough | Official Publisher Page | Simon & Schuster
Feeling sad for no reason? How to tell if it's normal or a sign of depression | UK Therapy Guide
Free Vector | Young woman feeling sad tired and worried suffering depression cartoon hand drawn cartoon art illustration