Lallana is one of the only players to experience the entire Klopp journey at Anfield, from the day the German arrived in October 2016 to winning the Premier League title in 2020.
But by the time the famous trophy was lifted the former England man, who joined from Southampton for £25million in July 2014, had known for months he was leaving.
Lallana said: “I went in and asked the question because I wanted to know what my future looked like.
“I had half an idea what the answer would be, but felt it would be better to know and to have a frank conversation. We had that much respect for each other.
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“It is a weird feeling when you get told that you are kind of not wanted any more. There is an initial feeling of rejection and I think that’s normal in any walk of life.
“But, after a couple of days, when I realised it was going to be my last season at Liverpool, I made sure that I treated every day, every training session, like it was my last and didn’t take anything for granted. I enjoyed the last six months as much as I did any year while I was at the club.”
Not surprisingly, Lallana says it wasn’t easy to let go of his Liverpool career after such a roller-coaster ride in which he also won the Champions League, European Super Cup and FIFA Club World Cup – but suffered a series of frustrating injuries too.
Now, however, he has found a new lease of life at the age of 32 at Brighton, where he is due to face West Brom today, having played in the last five games and proved his fitness.
“It was difficult to leave,” he said. “But I wouldn’t say I’m missing it or homesick.
“Meeting new people and forming new relationships with team-mates is so refreshing and something I needed. It’s been absolutely fantastic.”
Lallana formed a special bond with Klopp at Anfield. They were even neighbours for a while.
But now he is forging a similar relationship with West Brom boss Graham Potter (with Klopp above).
He said: “Graham has been backed with a long contract. Things don’t happen overnight and that was similar at Liverpool. It didn’t happen overnight with Jurgen.
“But they are putting down the foundations to achieve something.”