Ahead of his UFC 225 fight against Mike Jackson tonight, CM Punk spoke with Sports Illustrated’s Extra Mustard and below are some interview highlights:

On having to watch footage him being concussed in the 2014 Royal Rumble during the trial with WWE doctor Chris Amann:

“The Twilight Zone is a good way to put it,” said Punk. “That would have been about the time I starting doing my best to not cry on the stand. I was forced to watch myself get a concussion over and over again. It really, really sucked.”

Read Also: Punk Calls Pro Wrestling a “Bad Television Show”

Punk also spoke on whether or not the Amann trial distracted him from his UFC 225 fight:

“It made me hyper-focused,” said Punk. “It oddly helped me focus because it forced me to compartmentalize everything.

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“If I woke up every morning and looked at my day, I would just spaz out and go, ‘Oh no.’ Instead I woke up and was like, ‘OK, I’m up, I’m alive. Alright, that’s a good start. OK, I’ve got to walk my dog, I’ve got to do sprints, and then I’ve got to put a suit on. I literally would take every day step-by-step. Once I got the court out of the way, I would try to find a small bit of joy of, ‘OK, I’m done for the day. Now I get to go home and I get to do something that I actually enjoy doing, and that’s training.’