Being in the blue zone, James is only going to forget the past year of his life. This means two things.
1st. He's going to completely forget that he's a professor and have no idea why he's there. This means he also doesn't remember Heather.
2nd. James entire ability is based on memory. When he actually learns that he's lost a year, he's going to completely break down when he realizes that everything he ever knew could be lost for (apparently) no reason, or wrong. Expect fun things.