Oh, he's pretty grown up there from what I imagined. I bet he is scared since it is a wild mouse and hasn't lived the pet store life where he's handed by workers all the time. If it doesn't want to eat the wheat, maybe try some unhealthy goodie like cheese . Mine loved that.
Or, you could try some cracked corn. I bet he'll nibble and eat some when you aren't looking.
Or, you could try some cracked corn. I bet he'll nibble and eat some when you aren't looking.