He didn’t follow up after the second date. Did he lose interest or does he expect me to initiate the next date?

Met a guy on a dating app, and had a 2nd date yesterday (drinks on a rooftop). After that I went briefly over to his place and we talked and kissed for a little before saying I was gonna head out. He then insisted that he go with me because it was late even though I said it was fine to go by myself. So he took the bus with me and then walked me home (30 min commute in total) and said he would text me. I thought it was sweet especially since we were already at his house, but he hasn’t followed up/texted me since. He doesn’t text that frequently in general, but we do text once almost every day. If he hasn’t followed up then does that mean he lost interest? Or, is he waiting for me to initiate a conversation since he’s been doing all of the initiating?

He didn’t follow up after the second date. Did he lose interest or does he expect me to initiate the next date?
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