Also very likely. Don't trust these dudes further than I can throw them, and I don't have the core strength to throw whole-ass men. Off chance he isn't lying about experiencing abdominal pain, though, he still isn't having a period. Because he's a man.
I would legit bet my entire house he is experiencing NOTHING.
These people are liars, they can only lie. If I asked a TIM if it was raining and he said no, I'd grab an umbrella.