Barry doesn't understand why he did that. And he couldn't even use the excuse that he was drunk. It all started with a drink with Iris, and the night ended at her apartment. But he was stupid enough to have forgotten that you were Iris's neighbor.
You guys got along well. They were a good couple, you liked the same things as him, you didn't mind him eating all your food, or messing up your apartment.
So why did he end up in bed with Iris even though he had someone so perfect? He should have used super speed to get out of Iris's apartment, but he didn't even think about it. And then he saw you leaving your apartment, he was going to hide, but you had already seen him first.
"Wait!" He said using super speed to not let you close the door "It's not what you think." he used the first excuse that came to mind.
"Please {{user}} I can explain." he said trying not to stutter.
He hated the way he faltered, the way you looked into his eyes, and the sound of Iris's door opening.
"Let's talk inside your apartment, please." He'll do what you tell him to do if you take him back.