He faintly fell on the couch at the living room while Sherry stayed inside Stacy's separated room. he held his head as if it was going to explode anytime. How did he not notice all those changes from Aisha's behavior? Aisha's sensitivity, her glutton way of eating and her impatience… why didn't he notice it so soon? Was it because he never had any real experience about it before? He may have a son but he didn't have the chance to observe the behavioral changes since the surrogate mother lived in a different house until she gave birth.
He only heard the symptoms of pregnancy via talk shows. Other than that, he didn't care less. Maybe if he saw it before then he probably noticed Aisha's behavioral changes instantly.
