It looks rather evident because he kissed her on the forehead in "The "Victory of the Daleks", he hugged her numerous times, he also comforted her when Rory perished from the crack in the universe and lastly, he quite enjoyed the snog in "Flesh and Stone". He actually does love Amy but who knows? Will it be revealed in the Series 6 episode "A Good Man Goes to War"?" I wonder?
He's fond of Pond. That's a far cry from adoring her.
A little tit bit, they had to keep reshooting the Flesh and stone kiss scene because Matt Smith kept kissing back