Article continues below advertisementMadison Keys is still adjusting to life after the biggest win of her career.In an exclusive conversation with OK!, the tennis star, 30, opens up about the emotional rollercoaster that followed her victory at the 2025 Australian Open - a moment she had dreamed of her entire life but wasn't fully prepared for.After years on tour, Keys explained she'd become comfortable navigating the expected highs and lows. But winning a Grand Slam changed everything.