If you talk about prayer so well and you don't pray, all the problems that follow prayerlessness will keep following you.
If you have not yet done that thing, you have no business teaching it. If it is really valuable as you claim it is, the you should do it first. -Acts 1:1, James 3:1
When you teach what you don't do, that's hypocrisy. It could derail the followers to Hell. If you cannot practive it, stop teaching it. -Matthew 18:6
“Some people are sound in scriptures, yet the word of God does not seem to be yielding anything in their lives. Mostly because they only know the Scriptures, they don't live by it.”
Memorise: The former treatise have I made, O Theophilus, of all that Jesus began both to do and teach, -Acts 1:1