Sandcastles in the Sand
Still no Embed code, but here's the link for the entire video for Robin Sparkles' "Sandcastles in the Sand".
And, as for that ending... no. Aside from the fact that no guy - well, not many guys - would do that to their supposed best friend, but come on... those characters have zero chemistry. It's almost as bad as that Joey-Rachel thing Friends tried to get away with towards the end.
So, Craig and Carter... find a way to un-do this. Fast.