Rose: I thought you and me were… Well obviously I got it wrong. I’ve been to the year 5 billion but this, this is really seeing the future, you just leave us behind. Is that what you are gonna do to me?
The Doctor: NO. Not to you…I don’t age. I regenerate. But humans decay. You wither and you die. Imagine watching that happen to someone who you…
Rose: what, Doctor?
The Doctor: You can spend the rest of your life with me… But I can’t spend the rest of mine with youAnd this exact moment was when I started loving Rose / Ten. This was the first modern Doctor Who episode I saw. #nostalgia

