Why is he being weird-squeezing my arms

Xeniax
So a guy I have just started to work with confuses me... We talk a lot,and me him and his friend went to this festival yesterday and when I arrived he was all nice telling me I look good,and then later on I the day he was being really weird and like grabbing my arm fat a few times LOL and then he touched my mole and said what is this hahaahhaah I really don't get it he being a d*** and hinting to lose weight or flirting? ~ I know its kind of ridiculous I am just curious to the male mind xD
Updates
+1 y
One more thing..he gives off a slightly gay vibe?
Why is he being weird-squeezing my arms
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