Guys, why won’t men follow up?

Gentleman, could someone please help me understand why after a great first date with a guy (who also says he wants to see you again) just disappears?
The date was fun, it checked off all the boxes of a great first date: we were at the venue for more than two hours, we talked about important issues, there was no lull in the conversation, he made me laugh, we kissed at the end (he said how much he wanted to kiss me). Then he told me he wanted to get together the following week and texted to say he had a great time.
Well, the following week has come and I haven’t heard from him at all. I’m so confused. Why would he do/say all of that stuff if he wasn’t interested in seeing me again? So frustrating. Help.
Guys, why won’t men follow up?
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