Ash Wednesday Y Chart

Today we had mass, it was ash Wednesday and  I have been thinking about why do we need the ashes? 

( Answer) 

Ash Wednesday is a Christian holy day of prayer and fasting. ... Ash Wednesday derives its name from the placing of repentance ashes on the foreheads of participants to either the words "Repent, and believe in the Gospel" or the dictum "Remember that you are dust, and to dust you shall return. 

                   

What would you fast for Lent?