The Dockers tackle Port Adelaide at Subiaco Oval on Sunday with doubts still surrounding their ability to string together four quarters of football following a succession of final-quarter fade-outs.
"We don't really dwell on all the bad stuff or the things that have gone wrong or the stuff that people say ... we think about the positives and what we are looking forward to next week and stuff we can focus on," Mayne said.
With Port Adelaide another side to have struggled in final quarters this season, some have dubbed the game the 'Chokers Cup'.
Mayne was not impressed with the tag.
"The players haven't spoken about it and we don't really think about it at all," he said.
"If you dwell on stuff like that then you are just staying on the negatives, but as a footy team we always look for the positives and we stay close together."
It has been a tough initiation for Mayne, who has played four games for Fremantle since being snared with pick No. 40 in last year's national draft.
Mayne said last week's loss to Carlton – when Fremantle once again let a winning situation slip through their fingers – was particularly hard to take.
"It was a bit of a shock," he said. "It didn't feel like the end of the game and I was kind of amazed.
"I thought ... we can get back out there in a minute and keep playing. It was definitely a weird feeling but as you always say you look forward to the next game.
"The guys, we stick together. We've had a couple of sessions where we've gotten together to build a closer bond."
Mayne said the return of midfielder Josh Carr from a three-game suspension would lift the side.
"Josh is inspirational," he said. "Everything he does – puts his head over the ball, niggles other players. I follow him with all the hard work he does and he's taught me a lot so far."