Love complicates things for teens and adults in this week's top DVD picks. In 'Life As We Know It,' Katherine Heigl plays Holly Berenson, an up-and-coming caterer, and Eric Messer (Josh Duhamel) plays a self-centered, promising network sports director, who meet on a blind date from hell but must figure out a way to co-exist with each other when their best friends die and leave them in charge of their 1-year-old daughter, Sophie. When 16-year-old Craig (played by Keir Gilchrist) checks himself into a five-day stay at a mental health clinic in 'It's Kind of a Funny Story,' he thinks he's just going to get a respite from his overbearing parents and his unrequited love for a high school girl. But all bets are off when he meets patient Bobby (Zach Galifianakis). Read on.