How to not be a boring girlfriend?

So I've been dating my boyfriend for 3 months.. He's my first real relationship and I'm his first girlfriend. So we both don't know what to do, like cute couple things. Like he's never put his arm around me, he's never held me , and etc. & I always see these other girls always like so touchy & really close to their boyfriends when they talk. & me and my boyfriend don't do that. I feel like he probably thinks I'm a boring girlfriend. Please ANY Advice? I'm tired of over thinking this all.
How to not be a boring girlfriend?
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