Complex sentence: He then said that he was going to go to The Rovers for a short while and although Vera tried to insist on him staying with her, he said he wouldn't be long and he had been with Vera all day and needed some time to relax.
Split into simpler sentences: He then said that he was going to go to the Rovers for a short while and although Vera tried to insist on him staying with her. He said he wouldn't be long and he had been with Vera all day and needed some time to relax.