The something it reveals is typical of any siblings who regret not spending more time together. But how do you read anymore than that into it? Fredo's statement about being left on the doorstep indicates his feeling of inferiority which Mike has already recognized. But it would be quite a leap for Mike to detect more than that.
"Generosity. That was my first mistake." "Experience must be our only guide; reason may mislead us." "Instagram is Twitter for people who can't read."
