With.. if he doesn’t offer an explanation for his radio silence and hits you.

With a “Hey, it’s been a while if he doesn’t offer an explanation for his radio silence and hits you. Just just exactly What are you currently up to?” and his lack actually got using the skin, please feel free to ask him where TF he’s been (though maybe somewhat less aggressively). After that, determine if continuing the conversation is really worth your own time. Yours is valuable, and there isn't any explanation to waste…