Actually, I'd say Sanaa WASN'T interested before. After all, who wants a guy who almost destroys himself and his surroundings with a coffee cup if you speak to him? His love lorn loopiness was a definite off-put. But now that he's gotten a lot more battle hardened and capable, we'll have to see how she feels about it.
Assuming Snaug doesn't 'accidentally' kill her first...