What a sweet photo. You can feel the love coming through the photo. Nice personal crop. The only thing that could be touched up is their skin - it looks a bit reddish. Also his teeth could be whitened, since they are quite exposed (simple dodging). Good keepsake for sure.
Good choice of models. God composition and effective use of DOF. Portrait let down though by impression that he is in sharper focus than her - with a narrow DOF both models need to be safely within the shallow focus plane.
The skin tones and lighting on this one are pitch perfect. I think it's a great composition. My only suggestion would be to show a tiny (and I mean tiny) bit of the shoulders/arms - just because it would add to the fact that these two are also showing a bit of affection. I love the smiles and expressions. Overall, this is an excellent image and I'm sure you're going to do really well in this challenge.
I really, really like this shot. The large, beautiful smiles make it. An a cute couple they are. Coupple of personal preferences: Yhe teeth on the young man needed to be brightened, hers somewhat. Left side should be burned in some more. While her hair isnatural and casual it is a little too disheveled. Despite these observations you still got a good rating from me.