The engagement.
(And their dogs birthday!)
After driving back home from his mom’s house, where he retrieved the engagement ring that had been passed down to him, he couldn’t wait to pop the question and follow the plans he made for a proposal, it was “burning a hole in his pocket.” He ran inside to get her dad’s blessing, had her mom record it in hiding and brought her to the porch, full of nerves- got down on one knee and asked her to marry him!
(Spoiler: She said yes)