When he was five years old, he would spend hours on end watching Disney videos.
I've spent weeks and weeks on end waiting for them to make up their minds which planetary crisis is most crucial.
For more than a year, Skiba spent days on end in pain and without sleep.
Looking at him, you'd never suspect he spent months on end in the most dangerous and inaccessible jungles on earth hunting for rare medicinal plants.
"As a matter of fact, it may not be good for the company," he added, pointing out that he has been spending days on end defending his decision.
On one occasion (it was now mid-January, 1945) we spent three days on end underwater.
The thing is, I don't want to spend weeks on end if the whole process can be short-circuited.
I wish you well, but I don't think I can spend weeks on end talking to them.
While Julius was spending weeks on end analyzing the Nazca desert, Mom was giving me her warmth and love.
He spends days on end away from his family taking care of tourists whims and facing the harsh elements of the desert.