"Happiness levels" refers to how happy or content a person or a group of people are. It measures the overall level of joy or satisfaction that someone experiences in their lives. Full definition
Not only can a healthy sex life increase happiness levels, decrease stress and provide a decent workout but beyond the physical there are numerous other benefits. (elitesingles.com)
In fact, according to an extensive study of generosity, giving more is linked to higher happiness levels. (creditdonkey.com)
Is the benefit I am getting out of this Parenting Intervention great enough that it outweighs the negative effects of the lowered happiness level that will also result? (tribecaplaytherapy.com)