hey i have an idea! paint the walls with that there chalkboard paint and you can make hash marks every time you're intimate! won't have to count at the time, & it will make for less ambiguous mathematical accuracy... & you'll ne'er lose count.
*giggles* before we lived together, we would save all our energy for when we saw each other on the weekends. Now, we are more widespread throughout the week, but as we both possess a relatively high sex drive, I estimate that number to be within a good theoretical range.