[Tax-chick]

Wouldn't that be closer to emulation and imitation?

I think so. It could also be covetousness, if you want Mike's things (particularly unique things, such as his wife :-), rather than similar things of your own.

But it's envy unless you wish to harm him because he has something you don't have.

[Tax-chick]

I mean, "It's NOT envy unless you wish him harm, etc."