So, forever and a day is even longer!

所以，比永远多一天甚至更长！

And it has been forever and a day since you have seen your friend.

你已经很久很久没有见到你的朋友了。

The meeting seemed to go on forever and a day.

【forever】会议似乎没完没了地开下去。

We're old friends, sitting in my lounge; feels like forever and a day already.

我们是老朋友了，坐在我的休息室里；感觉就像永远，已经一天了。