Help !advise

Hi advice needed , got in touch with a guy I really fancied said he fancied me too we lost contact over 3 years got in-touch by his brother. All of a sudden he stoped messages me 👀we was suppose to met up and have a chat about the old days. It’s been a week now he has not contacted me last message I text him was good night.

I have not contacted him since wonder if He lost my number help he was so keen 🙆‍♀️