'gain joy' is not correct and usable in written English.
To express the idea of gaining joy, you could use the phrase 'find joy'. For example, "I find joy in spending time with my family."
We release our stress and gain joy through our hobbies.
A new study published in the Journal of Personality and Social Psychology proves that some people will never be satisfied and they gain joy from hating -- in fact, that have to hate.
But there is great satisfaction to be gained from putting someone else first, from thinking about what will make another happy, to gain joy from giving and not just receiving.
A student gains joy in learning with Forrest Yoga, because my teachers are trustworthy and skilled enough to guide them through the "I can't" point.
Laura's own life is gaining joy, too, though it's been only a few years since the loss of Dave.
When things are good at work, it's brilliant, and I gain the joy I sought; when they're bad, I don't have time to feel sad.
The point was to endure the pain now in order to gain the joy later.
Weight gain, great joy, both for me and the patient.
For his 26 years in that post, Ed gained great joy from his love of students, faculty and the community.
Hypothesis 1. Distortion of joy (gain of something socially valued) will correlate with increased interest in human contact.
