I'm sat here reading the Tome of Blessings rules sections, and while it took me a little while to get the whole 'reverse of spellcasting' thing right in my head, I then became really confused with Curry Favour. The action card states you can only use it after you have successfully invoked a blessing, but don't have enough favor. However, a few paragraphs down, titled 'In Great Need', it states that if you invoke a blessing and generate favour on the same turn, you add a challenge die to the Curry Favour action.
What am I missing here? Isn't the only time you can Curry Favour when you need it for a blessing, and therefore you'd do it right away? Or are you able to Curry favour as an action, when you have a blessing waiting to 'go off' because there wasn't enough favour to power it? *urgh, head hurts*
Also, slightly related, at what point do you put recharge counters on a blessing - at the point of attempting to invoke it, or the point when it has enough favour on it to 'go off'?