The difference between bitter people and the rest is not always that life has been fair to the rest and bad on you alone. Other people have learned to handle life situations better.
1. The difference between expectations and reality leads to disappointment, constant disappointment leads to resentment towards oneself and others hence bitterness
1. Bitter people remember the details of what hurt them, they quote date, time venue, the number of people who witness, any cats, dogs, cars mosquitoes that were passing that time
1. Forgive everyone who hurt you either in childhood or adulthood
2. Try to think that they were ignorant that's why they treated you the way they did
The future can be bright if you commit to make it so