Tottenham were beaten 1-0 by West Ham last Friday to keep Chelsea's four point lead at the top of the Premier League.
"It was already going to be hard before, so now it's even harder. If you want to be champions you must win", Pochettino said in the press conference after the game.
Pochettino added: "We dominated in the first half and were the better team, but at the start of the second half we were a bit sloppy and when you are fighting for the title you must not concede this type of goal".
Mauricio Pochettino fears Tottenham have blown their chance of winning the Premier League because they lack the ruthless streak required to succeed under intense pressure.
"Seven points will be hard with three games to play, but in football have to try your best".
"Now we have to try to be ready for the next game". It was fantastic and I can see them walking into the offices or wherever they work on Monday morning with broad shoulders, their chins up high and a massive smile on their face.
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He also emphasized that the USA has been encouraging China to take "appropriate actions" with regard to its volatile neighbor. Secretary of State, Rex Tillerson, has reached out to North Korea, promising no hostile intentions towards the regime.
West Ham turned on the style to foil a Tottenham side usually so energetic and menacing to ease any lingering relegation fears. "We need to wait now for the Chelsea result and we still have three games to go". Today was a key moment that we can show that it is not about playing well and not about running more or less.
Tottenham's despair was in stark contrast to West Ham who not only put a huge dent in their local rivals' hopes of a first title since 1961, but also guaranteed their own safety. It was a great team display in terms of character, determination, thinking about what each individual had to do.
"With all the obstacles we have had this season the guys deserve a lot of credit", said manager Slaven Bilic, who has had to cope with continual speculation about his future.
While the overwhelming feeling in the Tottenham camp last night was one of disappointment and frustration, Lloris feels it is important to consider the bigger picture.
For the second year in a row, Tottenham Hotspur were the last team obstructing the eventual Premier League champions from their inevitable glory.