"I like ties but I prefer not to wear one when I'm nervous"

Jamie Oliver's quote suggests that he is not a fan of using ties, but he does like them. He also suggests that he gets anxious in specific situations, and when he does, he prefers not to use a tie. This could be interpreted as a sign of comfort and security, as ties are frequently viewed as an indication of rule and professionalism. It could also be analyzed as a sign of self-expression, as Jamie Oliver is picking to express himself in a way that makes him feel more comfortable. By not using a tie, he is able to express himself in a way that is more natural and unwinded. Eventually, Jamie Oliver's quote suggests that he is comfortable revealing himself in a way that makes him feel more relaxed and protected, even if it suggests not wearing a tie.