Is my supervisor flirting/hitting on me?

When I first met him I had a lot more weight on and he was distant/cranky (he could have had a bad day). Then I met him recently he is:

A lot friendlier.

whenever he is near me he touches my arm, shoulder, and back and I never seen him do that with anyone else.

Seems to take extra time with me.

He seems really nice to everyone I don't if that is just around me.

I want to know so I don't give him the wrong idea. I don't know if I am paranoid because I have been having issues with guys hitting on me.
Yes he is flirting/hitting on you
Vote A
He might be/not enough info to tell
Vote B
No you are just paranoid
Vote C
Other (specifiy)
Vote D
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Is my supervisor flirting/hitting on me?
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