Overwhelmed or just not that into me?

So a major thing bad happened to me (I told him) he acted upset at me via text for not telling him immediately, and asked me to call him instead.. when I called he literally didn't pick up and stopped responding to my chats.. and then responded 14 hours later that I should call him first thing in the morning. I'm thinking of ghosting him, cause this is not the first time he leaves me hanging like that.. in fact it happens most of the time, we be having a live chat and then he does.. not even 15 minutes into the chat.. but should I give him the benefit of the doubt that he needed to process this first?