Does exclamation mark mean anything or am I looking too much into it?

He sent two exclamation marks in our convo. Does this mean he missed me? And he can't say it so that's his way of saying it without saying it or am I making a big deal out of it because I want it to mean that.

Mind you he hasn't used exclamation marks in a long time with me.
Does exclamation mark mean anything or am I looking too much into it?
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