There have been signs of the unflappable Pochettino imploding in recent weeks - evidenced by his referee rant after the final whistle following their 2-1 defeat at relegation-threatened Burnley - while they also have daunting trips down the stretch to Liverpool and City.
And ultimately they were successful as Yan Valery equalised and James Ward-Prowse struck the victor with a curling free-kick nine minutes from full time.
Days after securing a place in the season's quarterfinals, third-placed Spurs face a battle to hang on to a top-four place in domestic competition and Spurs manager Pochettino - serving the first of a two-match touchline ban - questioned his players' mentality.
"To play a semi-final or quarter-final of the Europa League as a quarter-final in the Champions League, it's completely different".
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"Especially when at the time Watford were frustrating this Manchester City side in the first half". The latest example of his quality came with an incredible 13-minute hat-trick against Watford .
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"If Brighton lose their FA Cup quarter-final match on Sunday 17th March we shall play Brighton on 6th/7th April (subject to Champions League scheduling) and Crystal Palace on 23rd/24th April".
"You can use the first half as an example of (positive) arrogance, playing with intention, focus, concentration, we matched them in everything and we were much better". If they win their game in hand (against Brighton) they will be equal on points with us as well! "I feel so disappointed".
"Maybe we need to understand that it is our limit to be there (fighting for top four)".
"I take it as something positive", Pochettino said to RTVE. "We did not take the second half seriously". "That showed that to be in the last level like a club, we need more effort, we need more quality, [to] increase your capacity of commitment", he said.
The Frenchman spent 22 years in North London before deciding to step down last summer with one year left on his then Arsenal contract. We live in the perception and reality. "To be consistent, you need time, if you want to be a real contender in the future".