You're at the gym when he looks at you and says 'Dark Souls 2 is the best Souls'

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You're at the gym doing a set when you realize this guy is looking right at you and he loudly states "Hey! Dark Souls 2 is the best Souls game! You agree right!? You're not an dumbass are you!?"

https://gamefaqs.gamespot.com/a/forum/8/8bbe1c66.jpg

You realize he's standing awful close.

How do you react?
What do you do?
^ Hey now that's completely unfair!
http://i.imgur.com/yPw05Ob.png