1. Gossiping

“Often those that criticise others reveal what he himself lacks.” ― Shannon L. Alder

2. Berating (themselves or others)

“The happiness of your life depends upon the quality of your thoughts.” ― Marcus Aurelius

3. Toxic positivity

“You cannot protect yourself from sadness without protecting yourself from happiness.” ― Jonathan Safran Foer

4. Compromising their values

“Happiness is when what you think, what you say, and what you do are in harmony.” ― Mahatma Gandhi

5. Worrying about things they can’t control

“True happiness is to enjoy the present, without anxious dependence upon the future.”― Seneca

6. Lying

“Happiness is not the absence of problems, it’s the ability to deal with them.” ― Steve Maraboli

7. Attaching value to expectations (especially of others)

“Happy people are those who use a lower threshold in order to label an event positive.” ― David Niven

8. Attention seeking

“Actual happiness always looks pretty squalid in comparison with the overcompensations for misery.” — Aldous Huxley

9. Complaining

‘“If you aren’t grateful for what you already have, what makes you think you would be happy with more.” ― Roy T. Bennett

10. Holding a grudge

“Cry. Forgive. Learn. Move on. Let your tears water the seeds of your future happiness.” ― Steve Maraboli

11. Regretting the past

“Don’t waste your time in anger, regrets, worries, and grudges. Life is too short to be unhappy.” ― Roy T. Bennett