I don't think that you are crazy at all for wanting to wait a little longer before testing. Have you had long cycles before? If I seem to be late, I always look at the length of my longest cycle and wait after then to test if AF doesn't show.. alot of times she'll rear her ugly mug the day after I test or the day before, talk about frustrating

I want to wish you the best of luck, hang in there and I'll keep my fingers crossed for you.
Take Care
Fae