Why is Batman always slapping Robin?

Why is Batman always slapping Robin? | BATMAN MUST BE INTO 50 SHADES OF GRAYSON BUT THAT'S NONE OF MY BUSINESS | image tagged in memes,but thats none of my business,kermit the frog | made w/ Imgflip meme maker
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385 views, 2 upvotes, Made by anonymous 13 months ago memesbut thats none of my businesskermit the frog
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BATMAN MUST BE INTO 50 SHADES OF GRAYSON; BUT THAT'S NONE OF MY BUSINESS
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