All of them can be used: I am mad at you. - meaning angry--just like what you felt when you read a portion of my paper I am mad with joy. - could literally mean mad and happy or just like saying overcome with happiness I am mad about pizza.
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01cite10Jacko12cite10I am 11i10mad about12i10 pizza. 12br10Why not say 01i00in search 01font00of 02font02i00
10- you are badly in search11font10 for12font10 pizza.12blockquote