The world famous actor Joe Alwyn, who is dating singer Taylor Swift, likes to keep his relationship as private as possible.As per the reports, Alwyn says there is "a very clear line" for him of how much he should share about his relationship with Swift.

In an interview to Esquire magazine, Joe Alwyn said that "I know what I feel about it. I think there's a very clear line as to what somebody should share, or feel like they have to share, and what they don't want to and shouldn't have to,"

For the unversed, The "I knew you were trouble" hitmaker have been dating for over a year and a half.

According to source, Swift is "the happiest she's ever been" with Alwyn. As per the reports, Joe has really showed her a different lifestyle and the value of privacy. He's very supportive of her career. Taylor is so much happier without her personal life in the open. She credits Joe for that and realizes how much better off she is.