Ava gave everything she had to her boyfriend Liam. She was the perfect girlfriend. She cooked for him, planned special surprises for him, attended sports events with him, and made sure she supported him in everything. Then Liam did the one thing she never expected: He left her. Not only did he leave her, but a week later she found out from friends that he’d been seeing someone else behind her back. “They knew all along!” she told me. “They expected me to feel sorry for him, because it was such a dilemma. This cow or me. Here I was so nice, and he didn’t want to hurt me, but he felt this passion and chemistry that he’d never felt before.” Ava sneered. “Nice if he would’ve told me that before he broke my heart and stomped all over it.” Ava believed that being the perfect girlfriend protected her against heartbreak. If only she did everything right, her boyfriend would never want to leave her. Sadly, as you know, it doesn’t work that w...