My mother and stepfather were married 43 years so I have watched a long marriage. I feel like I had a very good role model for that. And you know it's just a number.
We use the word 'hope' perhaps more often than any other word in the vocabulary: 'I hope it's a nice day.' 'Hopefully you're doing well.' 'So how are things going along? Pretty good. Going to be good tomorrow? Hope so.'