"That's the attitude that I like my teams to have every match, and we didn't have that". We could have won, but we got a draw and played a good game. You don't need to have experiences at the highest level to learn that.
Mourinho declared that Dalot, 19, was the best young full-back in Europe after signing him from Porto for £19 million (US$25 million) in June.
Mourinho said: "I think Paul, he came from the World Cup, he was the last one to come because he played the final".
Lukaku was particularly poor against Wolves and there was one moment in the 83rd minute, with the scores level at 1-1, that summed up his performance.
United are favourites to clinch the tie on their home turf, especially after winning their last three games in all competitions, but the Premier League newcomers will not go down easily.
The Portuguese full-back finally got his first appearance for the senior side as United beat BSC Young Boys in the Champions League on Wednesday.
Centre banking on European Union to find ways to buy Iran oil
This has forced the refiner to cancel a scheduled loading of 1 million barrels in October, they said. SBI has told refiners it would stop handling Iran payments from November.
"We start poorly, we start both halves at a low intensity, and it's hard to win matches when you are not there with everything you have".
But, after Wolves escaped from Old Trafford with a well earned point, United have fallen further behind pacesetters Liverpool and Manchester City, both of whom recorded convincing wins on Saturday.
"I can't explain the difference of attitude because I never had a difference of attitude", he said.
"So, we didn't have a team that was in big trouble with accumulation of matches".
By the end of a rare 3pm kick-off at Old Trafford on Saturday, it was the 3,000 Wolves fans singing "We're Wolverhampton, we're on our way back" and "Nuno's the special one" in front of their enthusiastic manager.
'But I think the work in Wolves is good because it's not just about the Portuguese influence - Portuguese manager, staff and players - it's also about getting the right ones.