"長い間誰かと付き合っていれば、とてもよくお互いを知ることになると思います。良い時も悪い時も、個人的なことも関係内のことも、一緒に乗り越えていきます。"
— Kate Middleton
Simplified Meaning:
When you spend a lot of time dating someone, you really get to understand them deeply. You experience both happy and sad moments together, in your personal life and in the relationship.