Do you believe in
Faith is something to exercise upon not just saying by mouths.. in demonstration we can says Faith is being exercise.
But, never do beyond your faith as well, Cox faith is a level or states in life, someone may do something which you fill you also could do same, always remember grace are different.
Copycat not, stay in your line, even when demonstrating your faith and believe, always be cautious, don't do what you will actually be doubt about.
When you have faith, doubt subsidy under you, but the moment you choose to doubt over believe or faith, something is going wrong and its advice to stay away from such attitude.