Being happy is also about experiencing unhappiness
Being happy is nice and you would prefer to be happy and satisfied all the time. Yet happiness is not in eternal happiness or contentment. It is a common mistake that you can constantly walk around with a happy smile on your face.
As a child you can experience a lot of pleasure in everything you do, a child especially likes to play. It doesn't matter so much what you do exactly, as long as it is challenging to discover and do. When we become adults, life starts to get more and more serious and more energy is put into all the obligations of life. The responsibility of a study and later of a job, maintaining a home, relationships and friendships, running a family...
When you spend a lot of time on the things that bother you, the chance that you no longer experience pleasure in life grows. This is mainly because you have ended up in a life that does not suit you well. Something like this happens when you don't know yourself well and don't know what you need for yourself to feel happy. You then let yourself be guided far too much by the things that come at you at that moment.
Is there a negative thought right now that is making your life difficult?