I wrote you an email but saw that thread a few minutes later...
A note field would be great, I'll second that!
And not only a note field would be great also some checkbox fields would be awsome:
For example, checkbox fields like:
When i check "Sex" for that day (means I had sex with my partner on that day) it should appear a small icon in the calendar view also at this date!
Hope you understand what I mean (sorry for my bad english). Here is a picture of what I mean: