[Fundamental Law]

The original post and responses highlight the importance of managing risk. Swinging involves managing relationship risks as well as managing physical risks. The latter include STDs, pregnancy,...

Managing the relationship risks involve communicating with one's partner. Managing the physical risks involve preparing oneself.

Whatever rules you set for yourself, stick with them. You'll be happier. Condoms are inexpensive. We view their use as mandatory. No raincoat, no playtime.