Mike Trout Somehow Touches Adrian Beltre's Head With No Resistance

You might want to sit down for this. After hitting a triple last night, Angels outfielder Mike Trout chatted with Adrian Beltre, and touched the Rangers third baseman's head without him getting mad.

For the unaware, Beltre does not enjoy people touching his head. There are many examples of this. The head-touching's in the last few seconds of the clip below:

Beltre's even slightly smiling! Who is this guy, and what has he done with Adrian Beltre?