Freezing, choking, getting tongue-tied--there's a reason it happens. We lose our words because the stakes are so high and we have so much to lose. We're petrified of saying too much, or saying it wrong. When the truth is,the only wrong thing you can say is nothing at all.
Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."