Guys - how I can make it obvious to a guy at work that I like him?

I’ve known him for around 3 years, and I’d say we are friends. I only realised I started to have feelings for him a few months ago.

I’m too scared to admit feelings so wondering if there are any ways I can make it clear without literally saying it.

I am only feeling this way due to work and the age gap. He is slightly older than me (I’m 29, he’s 42) so I’m worried he only sees me as a work friend.

We are both single and my work doesn’t have issues with people dating. (Not saying we ever would but I can dream)

Guys - how I can make it obvious to a guy at work that I like him?
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