i went to the after concert party, and they were just like normal. i imagine that s when they i think made the decision that perhaps they were going to get married. reporter: for the next three years, the couple would settle into life. william in the military, kate by his side for graduations, ceremonies and other people s weddings. then, october 2010, the wait was finally over. it was a remote spot on the slopes of mt. kenya, africa s second highest peak called rotundu. a romantic lodge with a fireplace and lots of candles. ironically, not far from where a decade earlier, william supposedly proposed to his first love. this time, it was kate. i took her up somewhere nice in kenya and proposed. it was very romantic. there s a truro m true romantc in there. you said yes? of course, yes.