. >> couric: he was sent to the nick boliterri tennis academy in florida, when he was 14, dropped out of school in the ninth grade, and when andre called his dad and asked him if he should turn pro at 16... >> agassi: he was like, "hello? who am i talking to? what are you going to do, be a doctor? you don't go to school. take the money and turn pro." and while he was right and while i probably knew i would make that choice anyhow, i just didn't quite like the way he put it. you know, it just was... >> couric: andre agassi was quickly becoming a tennis heartthrob. his pop star good looks and unconventional outfits got plenty of attention and won him lucrative endorsement deals, like this one. >> image is everything. >> there's the passing shot. >> couric: but his image, he says now, was all a facade, including his hair. it started to fall out when he was just 17, so he got a hair weave. terrified people would learn the truth about his trademark mane. >> agassi: what this could mean if people found out, or what does it really mean to my endorsement companies? what's it mean to my overal