I like a guy but I don’t want to be direct about it?

I like this guy and he always talks to me about his life and finds ways to talk about the most random things. Also, he waits for me after class so that we can walk together. I know that you’re supposed to be ‘direct’ or else he won’t know how I feel, but at the moment I strongly feel that it would be too much at the moment and may ruin our friendship. What are some ways that I can indirectly start giving signs that I like him? Not like touching his arm or something, maybe conversation starters or questions that can lead to other conversations? He’s asked for my socials before but I don’t have any atm, does that mean anything either?

I like a guy but I don’t want to be direct about it?
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