Jurgen Klopp admits he must find an explanation for Liverpool's dire defeat at Leicester City but has dismissed questions over the mentality of his players.
The Reds slumped to only their second defeat of the season when they were beaten 1-0 at the King Power Stadium by the injury-hit Foxes on Tuesday night.
Exactly halfway through the season, Liverpool are now six points adrift of leaders Manchester City, a gap that could have grown to 12 points by the time Klopp's side are next in action at fellow title challengers Chelsea on Sunday.
And the Reds boss was at a loss over how his team had performed so poorly against opposition they had eliminated from the Carabao Cup just six days earlier.
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"With the situation Leicester are in with injuries and playing two days ago, they deserved the three points," said Klopp.
"I like these kind of stories, the only problem is that I don't want to be part of it on the wrong side but we were.
"These boys have mentality and I'm not in doubt about that. So often in a similar situation I have said 'wow what a football game' and again I say 'wow what a football game', just for the wrong reasons.
"It's difficult to explain. So many individual performances below level, I have to watch it back and maybe I will find an explanation.
"Body language was not great, other things were not great. We can do better, that's the only good thing, it's easy to improve and we have to and quickly as well. We will think it through, speak it through and strike back."
Speaking to liverpoolfc.com, Klopp said of the game: "Very disappointing. I don't like the word frustrating as in German it means something a little bit different, but it hits the nail (on the head). Pretty frustrating.
"Not the game we wanted to play or could have played, but a game we saw.
"We started okay then lost the rhythm then never really got it back. They scored with their one chance at goal and we didn't use our chances, didn't create enough and didn't play well enough."
