Get a dehumidifier.

Ensure ceiling fan rotation is switched on summer mode.

Bag of ice in the freezer to chew on and always have in a drink. Ice trays are no good.

Waterhole.

Office job.

Keeping lights off/low can be psychologically “cooler” for some.

Bed with wet hair or damp towel will help sleep faster.

Wash regularly to scrub “ick” layer and keep fresh skin on top.

Pub.

Ice pack vests. Can DIY. Fucking amazing.

Sit around in your undies and pretend you love it and eventually you do.