The Bees shocked Chelsea after conceding the first goal.
Frank said, "I am still [pinching myself] a bit. I said in the pre-match press conference if we beat them it would be the biggest result of the season and we've gone and done it.
"It's maybe not a 4-1 win but it's fully deserved. It was a top performance and I'm extremely proud.
"There is so much pain in football so it's important the fans enjoy this.
"We want to try and end the season as high as possible. We will try and enjoy this for 24 hours and go again. I will have a nice glass of red wine tonight."
On Christian Eriksen, he added : "The way he presents himself on and off the pitch is very impressive. I said to him after he scored for Denmark that I hope he's saved some goals for Brentford and he has."
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