Ooooh, Happy Christmas to Harry! It looks like the broom is a gift, from the bow around it? And I'm having fun thinking that what's around Harry's neck is another bow (though I suspect it may be a kerchief). I like the avid way Viktor is just staring at Harry, drinking in his reactions, and Harry looks so lost in the moment, all of his body so angled and defined by the position. Also, Harry!foreskin, yay!
And since you mention it, I took a special look at Harry's feet -- they seem *very* strokable/lickable. :D