Watkins struck late to rescue a point for the Villans.
He later said: "It's frustrating.
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"We lacked that big team mentality where they kill games off which is really disappointing.
"I'm not belittling my team. I'm part of it. I feel we need to somehow figure out when we're 2-0 up how to just shut up shop.
"I felt when it went to 3-3 that we would go on and win. We had a lot of the ball and we were creating chances."
On the top four battle, Watkins said: "There is a lot of football to be played. We're battling with Tottenham who have got a great squad. It's going to be tight. We need to win the next six games."