I'm glad you were able to do this for your son. I don't know how old your son is, but I don't see anything wrong with doing what you did. Your car, do with it whatever you want.
I think doing this has helped you feel a little better, and that is a good thing. :)
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I drink coffee so I don't kill you.
I quilt so I don't kill you.
Do you see a theme?
Faith isn't something that keeps bad things from happening. Faith is what helps us get through bad things when they do happen.