Yeah she said
'I scratched your neck to let you know.................cause I always do that'
My impression was the gap in her speech was her realising she was admitting to cheating so added the bit about always doing that.
Either they tried to cheat to look oh so compatible. Or she is that insecure she couldnt stand him giving someone a higher score so tried to indicate.
He thought it was her because they knocked teeth. He admitted later it was a 10 and only gave it because he thought it was her. Again, he wanted to look like they were compatible or he knows she is that insecure anything less than a 10 would upset her.
He just got it wrong.
She isnt coming across very well. I totally understand the producers wanting the 'kind of a celeb' (curtis) to win. Like Dani last year. But the producers must be able to see they arent as popular as a couple.