What do with a guy that keeps hesitating to take things to the next level?

For example he says things like he gonna do this and that and he's doesn't fully follow through with what he saying. Another example he said he wanted me to come stay with him for a month or two too see how things go between us but now I actually am ready to go and be with him he is MiA... There's nobody else I promise you that but he's just... I don't know what to say anymore I'm getting fed up really
What do with a guy that keeps hesitating to take things to the next level?
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