He added that for him it’s calming to have that feeling and it’s what helped him through.
He said also that it was about time he got to a Final never mind achieving what he did in winning it.
"I knew I was going to win, it was a really strange feeling," said Cullen.
"I genuinely couldn't see how I could lose today, the feeling of knowing you're going to win is so calming.
"I expected myself to be nervous in the final when I was going for the winning double but there wasn't an ounce of nerves in my body because of that feeling I had.
"One hundred percent it's about time I got to a European Tour final, let alone winning one. It's been a long time coming.