sara! LOL - sex - considered an activity lol lol for burning calories? it’s very funny to hear - “if this is your only activity” 
^oh boy! we would be in trouble if it was considered activity - cause how many calories can you burn in that few minutes LOLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
… and 
ye I was ignorant before marriage - I wished I was smart like that nadz girl here) :(… so what she sounds stupid MOST of the time - but she is making herself SMART that’s what counts