IMO …. missionary should be put on pause, cowgirl and doggie is the best. Why? Less skin contact, for which I know sucks for those that desire touch) is good because the heat transfer is minimized.
Bath Tub sex ….. cool water and splash splash time ….
For those that are turned off by seeing another sweat … sensory deprivation is another fun thing to engage ….
After one is done ….. cold showers for all.