Older guys?

So I'm 18 and in college  I've been single a bit out of boredom I downloaded tinder and find this guy I have a good connection he older he 23 and nice I've gone one a couple of dates with him but my question is am I suppose to act differently around him since he older I know I have a crush on him I just don't know how to act. 
P.s he also lives 30 minutes away from me 

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