He wanted to be closer to her, and be able to see her as soon as he could but then it clicked in him that his girlfriend was very different nd unique. She doesn't follow the norm, and she will definitely be surrounded by other men in the future.
Take for example, she must be in love with Wyatt and Nolan. She met them before him, and there was a way that she looks at them that makes him very certain of her feelings.
The thought of competing daily and seeing them always, makes him feel reluctant to do so.
Perhaps, by living some distance away from each other, their love will always remain fresh no matter who else is there. She is a woman of her word and he trusts her on that. Otherwise, she wouldn't have made the truth known about her preferences.
He wasn't that much of a talker and more of a nerd, who prefers privacy. And if he has to face other co-partners, he wasn't sure how he would be able to cope.
