Assertion: touch's effect | /r/HasProperty | lack of sunlight
Facets:
Source sentences:
text: There are a number of hypotheses as to why, including the fact that a higher ambient temperature increases the availability of skin ("It pays to touch somebody if there's skin showing or they're wearing light clothing through which they can feel the touch," Andersen says); the effect of sunlight on mood ("It increases affiliativeness and libidinousness—lack of sunlight can make us , with fewer interactions"); and migratory patterns ("Our ancestors tended to migrate to the same climate zone they came from.