Beware the lean and hungry look, Julius Caesar mused of Cassius in William Shakespeare's tragedy about the Roman emperor's assassination.

Some in Canberra are looking particularly lean.

Angus Taylor, Andrew Hastie and Matt Canavan have all been keeping fit.

By running.

To be sure, that should be read literally. Not figuratively (yet).

This column can attest to having to slam on the brakes last week while exiting the parliamentary car park to avoid hitting the athletic member for Canning, who was sprinting past in an army-green T-shirt and shorts.

The chap is in great shape.

A week later, one of the images of the day — one that has set a few tongues wagging — was Hastie standing outside this week's tumultuous Liberal party room meeting, shaking the hands of another lanky player, James Paterson.

Andrew Hastie and James Paterson shook hands as they left the meeting room. (ABC News: Callum Flinn )

Both men — leading figures among the party's conservative wing — looked quite pleased with the outcome, which saw a majority of Liberal MPs demand an end to net zero, ending the party's four-year association with the goal.

Their smiles stood in stark contrast to the dark mood across the moderate wing of the Liberal Party, a small number of whom are now wondering how on earth they will hold their inner-city-based seats at