Answered by Law of Kamma :- Having the Betel Nut
What is it like having to have your hair shaved?
Dhammakaya Foundation Helping The Flood Victims in Korat
The 38 Ways to Happiness :- Setting oneself up properly in life (1)
The Benefits of Having Done Good Deeds in the Past
The 38 Ways to Happiness :- Living in an Amenable Location (3)
Willpower
Ascetic Practice.