"There are no concerns. We trust the authorities, we were not in danger last time," Klopp told a news conference. "I have no idea what happens tomorrow but I am not concerned."
"Our plan was to win all the games," he said. "But do we have to take more risks? Possible but it's not planned. If you play a game and think only about attacking, you have lost before the first whistle."
"If I think about the players they could play, they have a really strong side available. Midfield, wow. Up front, all good players. They might be young but they are good.
"When you are 3-1 down it looks like we are already out - it means we have not a lot to lose. The result showed they were better than us but it's only the first half," Klopp told reporters.
"Football is football, anything is possible," Klopp added on the possibility of a comeback. "We speak about results but for me, the performance is much more important. We have to play like ourselves.
Villa are ninth in the standings with a game in hand, seven points behind fifth-placed Chelsea -- who occupy the Europa League spot -- and five points behind seventh-placed Liverpool.
"Of course, they're serious rivals for European football. They are really good, they made some good signings," Klopp told reporters ahead of Saturday's home game against Villa.
Loew is the current longest serving national team coach after taking the job in 2006 but the 61-year-old, who led Germany to the 2014 World Cup title, is ending his contract a year early.
"Will I be available for the German national team job in the summer? No," Klopp told reporters ahead of the second leg of their last-16 Champions League tie against RB Leipzig.
Kabak, who joined Liverpool on loan from Schalke 04 at the start of February, has started the last five games for the Merseyside club, including Thursday's 1-0 defeat by Chelsea.
"Ozan had yesterday after the game a little problem. He has played a lot of games now and we will see if he is ready for Fulham," Klopp told a news conference on Friday.
Former Liverpool defender Jamie Carragher said the Merseyside club must take action in the summer transfer window to address their goal-scoring problem.