I'll tell you what:
I hardly ever told my old man I loved him. It was around Father's day this last summer and I kind of avoided him most of the day and they left for vacation the next day, were gone for a week and got back. I gave him a big hug and told him I loved him and really appreciated all he did for me--probably one of the most heart-felt moments we had.
He literally died five days later in an accident at home. I was so glad I was able to tell him that, for if I hadn't, I might not have never lived it down.