25 things that make you happier

We all have a remarkable capacity to make ourselves happier.

Each of the little things we do to boost our mood - from reading an adventure story to keeping a gratitude journal or even gazing up at the stars on a clear night - can add up to greater overall satisfaction.

But happiness doesn't come easy. We have to work at it.

Here are some of the things that psychologists and social science researchers have found that have the power to lift your spirits and keep them high. Take a look: