Questions about tempting?

Nicole
I found this on YouTube because I just started tempting and had so many
Questions. http://youtu.be/jXVN9chaucE
In a nutshell:
1. You ovulate on the last low temperature before the temperature spike (not the high temp day). The high temp day would 1dpo.
2.you most fertile days are the low temp days. 
3. Your temperature stays elevated if pregnant.