He goes on trading journeys with his uncle, Abu Dhalib, to places like Syria. And as he does that, according to Islamic tradition, he gets a very favorable reputation. He gets these titles like Al-Amin, the trustworthy one, or Al-Siddiq, the truthful. Now, he continues doing that until the age of 25. At 25 years old, something very interesting happens. A very wealthy widow, arguably one of the wealthiest people in all of Mecca, who runs a vast trading enterprise, Khadijah, who is 40 years old, she employs Muhammad, and apparently is so impressed by his honesty, by his ability to be trustworthy, that she proposes to him. And remember, she's 40, this would be her third marriage, and he is 25, and he accepts the proposal.