The Sun asked a lip-reader to tell us the words that passed between the couples.
Our expert told how Bush hissed, “Come on, I’m frozen” before saying his goodbyes in sub-zero temperatures.
The lip-reader also gave an insight into an exchange between Obama and Bush just after the inauguration ceremony. In a brief embrace, Obama asked Bush: “You OK?” And Bush responded with a whispered: “So relieved.”
Obama’s daughter Sasha, seven, told her dad: “That was a good speech, perfect.”