Ava + Connor
Clearly the cereal is the real crime here. That's a joke.
He probably doesn't hate you, he may just be having a hard time understanding. Humans are complicated. From my experiences with Cisco he is not unforgiving. He's simply a scared human put in a strange situation trying to make his own way. We all just handle it differently.
What you are? Ava, You are a person who is allowed to make mistakes.