By Sarah Carroll Adam Levine is one overprotective father and he doesn't care who knows it. When we asked the Maroon 5 frontman how fatherhood has changed him, he had one very simple answer. "Just changed the way I feel about dudes!" he admitted. "I'm like, unreasonable. Like, my daughter's a year and a half. I see some little kid checking her out or talking to her, I'll be like, 'Who's that? Who's that?'"