Relationship CPTSD situationship broke up with me - confused

[Brumbyinthesunshine]

Thereafter, it was as though a switch flipped in him. He would read my messages but take hours, or even a day to reply, and it would be curt replies. Sometimes, he would not even answer a question like "How was your day?". I was very confused, because it was such a drastic shift from saying "I miss you" to literally not replying. I didn't want to bring it up over text (because that's how so many of our misunderstandings started), so I continued sending him messages

Exactly this.