Discovering an affair is undoubtedly heartbreaking. But if you're pregnant when you find out about your partner's betrayal - whether it's a physical or emotional affair or even flirty messages - it can add a whole extra layer of upset and stress. Earlier this week, model Sumner Stroh alleged that she had embarked on a year-long affair with Maroon 5 singer Adam Levine and she shared some of their flirtatious text exchanges.