Hon, O is still likely on the horizon, especially given you've said in previous posts that your cycle is roughly 28/29 days and your LP was 10+.

You cam still miss your LH surge depending on the time you test and how long the surge lasts. For example, I do my OPKs first thing in the morning (perfectly fine and recommended for the OPKs I use). I test for roughly 4-5 days as I have enough data from charting now to know when I O. I missed my positive last month and it's most likely my surge happened in the afternoon or evening, hence why I missed it. However, thanks to charting, FF was able to roughly detect when I O'd due to the temp dip then steady rise (of three + days), other fertility signs I entered (CM - I don't often get EWCM either, etc) and previous cycles information.

Your temp dip isn't a bad thing at all. Temps do fluctuate and you'll only see patterns at the end of a full cycle plus when you have more charts to compare. I've got my charts (the full ones that is) in my sig. Feel free to take a look for reassurance.

Hang in there. You've O'd in previous months (at least that's what you've said in another post) so maybe you're just jumping the gun a bit this cycle. I know TTC can be trying and your onto your 7th month but it is perfectly normal and healthy to still be trying at 7 months. Charting is one way to help you along on your journey though and like I said, you'll only benefit from it when you have full cycles to review.