Don't reply yet... get input from the people here.
IMO I don't think it is negative, he is feeling guilt but also apprciating that you are giving him space. He is also letting you know where he is at which is good, although I know it is not where you want him to be. This is going to take time.
What were you thinking as a response? Which I think should wait at least until morning to show you have thought about it.
