Impossible that it is Iris
What Thomas saw shocked him. Is this the same Iris that he remembers from the first time he saw her? Did he see the same Iris who comforted him in his time of need? This isn’t her, at least not in any way.
When it came to this relationship, he always thought that it was his fault whenever anything went wrong. He tried to keep his intestines together in this situation. He was a little taken aback. He couldn’t stop thinking about getting a divorce.