Nevertheless, Mendes congratulated Baldwin on her engagement, according to RS, and he insists that he's happy for her. "I think I’m an idiot to not, you know," he said. "But you can’t control your heart." Which implies that maybe Mendes regrets not keeping Baldwin on his side? Or that he regrets that he couldn't give Baldwin what she wanted? Whatever it is, Mendes has feelings about Baldwin that seem unresolved. How does that JoJo song go