Assertion: cheerfulness | /r/HasProperty | fueled by humor
Facets:
Source sentences:
text: In stressful situations Royal Marine commanders understand particularly well that cheerfulness is fueled by humor: one I met required his whole company to “sing for their supper” by telling a joke—
text: Royal Marine commanders understand particularly well that cheerfulness is fueled by humor: one I met required his whole company to “sing for their supper” by telling a joke—