What is the best way to express your gratitude to someone who has done you a lot of favourable things?

Question

Answer

I would invite him/her out to dinner to show them your appreciation and explain to them how much you appreciate what they have done for you.

Answer

"No words can express my appreciation for what you've done for me!! thank you!!! --------thank you very much! ---------------THANK YOU =========THAN---------WUWUWU-----THA---NK---- YO----U!! "

:)