Life on Mars, Series 2

Sam Tyler:
I went someplace mum and every day I woke up in that place and I told myself 'I'm alive' and I was. In some ways more than I've ever been. You know, a barman [laughs] a barman once told me that you know when you're alive because you can feel and you know when you're not because you don't feel anything. I made a promise mum; I made a promise to someone who I care about very much.

Ruth Tyler:
Then you've got nothing to worry about because you always keep your promises.