England were beaten for a second time in four days when Germany won 1-0 at Wembley on Tuesday night.
It was the first time since 1977 that the Three Lions were defeated consecutively in London following the 2-0 loss to Chile on Friday night.
"I thought it was a harsh defeat but we needed better quality," he said.
"The effort, the work rate and desire, I can't fault at all. But in the time we had the ball in the German half, we weren't as efficient as the Germans were when they had the ball in our half.
"The quality of our passing and shooting was not as good as the Germans and we paid the price for set-pieces.
"We knew set-pieces would be a danger, they had some big players and we were a small team."
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