"I can now claim I'm number 21 and no one can disprove it. I don't believe it for a minute, of course."
McKelvie said it was a refreshed-looking front bench, right down to Barbara Kuriger at number 10.
"You do get a honeymoon with these types of things, but I think this time it's a little different to the previous three or four honeymoons.
"The mood is pretty positive. We are at least in a position now where, if we work hard at it and do what we should do, we can create a credible opposition and give the public something to look at that's an alternative to the Government.
"We've been struggling to do that prior to now, so that's very positive."
As to whether he would run again in 2023, McKelvie said it was too early to tell.
"I'm certainly not the youngest member of the parliamentary team.
"We'll see what it brings but, at the end of the day, we've got to refresh ourselves, Parliament needs to refresh itself, and I'll play a role in that somehow."
Hipango was also contacted for comment.