Nebraska Sen. Ben Sasse won recess over the weekend.

While others were recovering from or celebrating the election, taking trips or meeting their grandchildren, Sasse spent two hours on Saturday, before the University of Nebraska football game, driving people around Nebraska for charity.

Here’s something he learned from his time behind the wheel.

Pro-Tip
If you throw up in an uber, the surcharge can be substantial

Upside: It’s a market incentive to get drivers to agree to Sat.pm work

— Ben Sasse (@BenSasse) November 14, 2016

A University of Nebraska student who got a ride from the senator tweeted a screenshot of the Uber app with his driver, Benjamin. Looks like Sasse was driving a GMC Acadia.

The Twitterverse had many questions for Sasse, mostly wondering why he moonlighted as a driver for the popular ride-hailing service.

[Veasey Goes to Work — as a Zombie]

Sasse responded to one person, “I like to work alongside and for Nebraskans. I drove Uber yesterday. (For charity — I’m [obviously] not allowed to make any outside money).”

Uber said Sasse’s account was set so he would receive no earnings from passengers. Uber will donate the fares to charity.

He even got an offer for more work.

@EnvireauxMental what kind of work could I do for you in Nebraska?

— Ben Sasse (@BenSasse) November 14, 2016