Even methane (natural gas) is lighter than air, but not by much. Carbon dioxide, which is contained in the air we breathe out and is also easily and safely manufactured by mixing bicarbonate of soda and vinegar, is heavier than air. It tends to sink to the floor and accumulate. So it's a good job that houses aren't air tight.
Cuddling, holding, and sexual play releases chemicals, like oxytocin, in the brain that create a sense of well-being and happiness, says Dr. Renee Horowitz, an ob-gyn who recently opened the Center for Sexual Wellness in Farmington Hills, Michigan.
This is the hormone that is released during childbirth. It also surges when women nurse their babies. Sometimes called the âcuddle hormone,â itâs what helps parents bond with their babies and women bond with their mates. Itâs often what makes a woman start to see a FWB arrangement as meaning more.