Lyric discussion by Myth 

Cover art for Hold My Hand lyrics by New Found Glory

It is "green of your eyes." And it IS "In my mind, a hard lesson to learn."

A brief analysis by even an amateur comes to the conclusion that the speaker has fallen madly for some girl, and it's on the brink of telling her again and again, but not in a direct way. She doesn't seem to be getting it, and he's overflowing with emotion, wanting her to know.

He promises her everything, anything. He wants to be with her. Typical, but awesome.