Cathy & Dan in San Antonio, TX

Cathy didn’t want to cut off her first date with Dan, but she knew she had to get home and study for an exam. Dan teased her that night about being a nerd, but understood the demands of medical school. Dan knew Cathy was the one after two-and-a-half years of dating (and working together -- she ended up doing her residency in the hospital where he worked). The Bride Cathy Lin, 29, doctor The Groom Dan Mclaughlin, 35, doctor The Date March 21 The only problem? He wanted to ask her father’s permission, and Cathy’s parents live in Taiwan. He waited for them to visit, and finally got the go-ahead. Later, Dan invited Cathy out for a hike. She was tired that day, but her energy surged as soon as Dan got down on one knee and popped the question.