Katinka Hosszú is a Hungarian swimmer who won the 400m individual medley on Saturday, beating GB swimmer Hannah Miley and setting a new world record in the process.
Hosszú’s husband and coach, Shane Tusup, was… well… understandably enthusiastic.
Tusup's reaction was caught on camera, and everyone's fallen a little bit in love with him.
There was a fair bit of arm flapping
And the teeth - clench - twitch trio
The victory dip
Some say women playing sports is boring. Does he seem bored to you?
"Alright darling, you can stop bouncing around now...no seriously. Stop."
You can watch the entire, adorable display below: