"boost happiness" is correct and usable in written English.
You can use it when you want to suggest an action that will help someone feel happier. For example, "Taking time to relax is a great way to boost happiness."
One of my happiness-project resolutions is to "be a storehouse of happy memories," because remembering happy times in the past is an important way to boost happiness in the present, and children need parents' help to sustain happy memories.
So booking your trip well ahead not only gives you an edge when it comes to logistics (getting the best room and often the best deal), it also helps build anticipation, which can boost happiness.
I'd argue that, because we don't want to think of ourselves as materialistic or preoccupied with acquiring things, we too often deny the importance of our possessions and don't spend enough time thinking about how possessions can boost happiness.
Although experts in the new science seem unified on the subject of what can help boost happiness – spending more time with friends and family, in pleasant natural environments, for example – some believe this change has yet to hit Britain.
Like many things that boost happiness (unfortunately), this resolution can be a pain.
What are some small ways to boost happiness in everyday life?
But while money boosts happiness, the effect doesn't last.
It's worth pointing out that dealing with depression and anxiety is not necessarily the same thing as boosting happiness.
Findings show that having goals boosts happiness.
It turns out that planning a vacation (whether you actually take it or not) boosts happiness.
Planning a vacation boosted happiness for eight weeks, researchers found... so get crackin' on yours now!
