Is he just a coward?

I've been seeing a guy for a few weeks, although we didn't meet up for a week because he was working away. The next time we saw each other we had a nice time but he was treating me very much as just a friend eg kissing me on the cheek. I called him out on it and gave him the opportunity to end things but he didn't, he just said that since we hadn't seen each other for a while he didn't think things could go back to the intensity that they were before. But he hasn't messaged me for a couple of days... is he trying to tell me by his behaviour that he's no longer interested? Is he just too much of a coward to say it to me?
Is he just a coward?
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