It won't matter what he does, we will swap to the cons on the next election because it's been 10 years.
FPTP always trends towards a 2 party System.
It's why I laugh when people think the Republican party will be non electable in the US. Give it a couple terms and people will want the Dems out.
That works until it doesn't. Though it has been a few years since there was a nice notable example.