What does it mean when someone says anything for you?
2. "Anything for you" is an abbreviated form of. I'd do anything for you. It means someone is willing to go to any lengths to make you happy. If you hear it, it means you're very special to the person who says it, for whatever reason: family connection, you're a great friend, you did them a favor, whatever.
Do anything for me meaning?
not do anything for (someone)
To not be very impressive, exciting, enjoyable, or desirable for someone. I know you like this color paint for the kitchen, but it just doesn't do anything for me. I liked the sets and costumes, but as a story the play didn't do anything for me. See also: anything, for, not.