I think it's important to keep your personal life to yourself as much as you can. It protects your sanity and you need to have boundaries. And it helps that enchantment of watching an actor. If you know someone's favourite colour or what they like to do on a Sunday, you won't fall for the character
Life was very simple. My parents had come from the North of England, which is a fairly rugged, bleak, hard-working part of England, and so there was not the expectation of luxury.