Quicker regeneration of Guardian Aspect

I think we should be given various ways to recharge our Guardian's Favor. Here are some ideas that I have. Feedback is appreciated.
1. Pay homage to your deity at his/her respected shrine.
2. Pick up / turn in repeatable quests for your deity.
3. Pay a fee.
4. Square-Enix makes it recharge faster by itself.
Tell me what you think.

we do need it alittle faster but like you said it should cost us something like 1-4.