The idea that they should stay on a fraternal basis was big at NASA: out of the 1,348 pages of the tome NASA had compiled called Human Relations in Transit to M

The idea that they should stay on a fraternal basis was big at NASA: out of the 1,348 pages of the tome NASA had compiled called Human Relations in Transit to Mars, only a single page was devoted to the subject of sex; and that page advised against it.[1] [1] Red Mars, Kim Stanley Robinson