I THINK ISLAM IS THE SOLUTION TO YOUR QUESTION, TRY TO ENTER ISLAM, I ASURE YOU 100% YOU WILL FIND A QUALITY HAPPENIES. NICE MEETING YOU AND GOOD LUCK....

just try to forget what made you sad try to wake up everymorning and see the sun ,the sea, breath air you will be happy as you still see the sun so everything bad you can turn it good only smile when you see anyone smile this is our life we should forget and be happy for me when i felt very sad and everything became so bad only i really escape by sleeping to forget then i wake up go to see the sea and see children playing and smiling i smile so i become happy

its just a state of mind if you want to feel happiness you can feel it even in the days when all the bad thing are around to you

Avoid stress, eat healthily, get a good night's sleep, exercise , find some one who loves you and have supportive friends.

Get rid of all the things making you unhappy by ignoring.