Your temps are dropping nicely and you've charted some EWCM, so that's a good sign. Definitely keep BD'ing... I've O'd as late as CD 24 before, so it's possible it's getting ready.
I'm with you on the 'needing to know'. I've been temping, charting, checking CM, CP and every **** thing else every single day for 3 years now! I'm so looking forward to the day when I can pack my BBT because of my BFP.
But until then... I'd be

without my daily temp!