Answer:
What keeps us happy as we go through life? ... Good relationships keep us happier and healthier. It turns out that people who are more socially connected to family, to friends, to community, are happier. They're also physically healthier and they live longer than people who are less well connected...
_Askmeanything2♡
I think this one is in the thoracic cavity
All of the above
sex is something you and ur partner want to do
also as a sign of trust