forever and a day
Adverb
Meaning
for a very long or seemingly endless time
Source: WordNetSynonyms
Examples
she took forever to write the paper
we had to wait forever and a day
And those are the kinds of love that'll stick around for forever and a day.
But there is one thing that each of them would really love and that is for you have them sent all the way from Ireland to your home so that they can become part of your family where they will look over you and yours forever and a day.
His '40s films -- an episode of Forever and a Day (1943), the James Cagney actioner Blood on the Sun (1945) -- are also admired.
But we will remember Murston forever and a day.