I dont like number one, I dont think its a very flattering shot for the mrs.
That being said, I do like 2 and 3.
2. Good shot, but the arms look soft. (I'm on my phone right now, so it could just be that)
3. Very nice perspective and capture. There is a lot of emotion in this one. My only suggestion to make this better would perhaps be to get the rest of their hands in frame. Since their hands are clutched together, it could add to the romantic mood and benefit the shot.
Ever consider trying these shots out in black and white? They're definitely the "type" of shots that could work with it.