What are some jokes that you never got albeit being from outside of US or being too clever?

I never got the Denny's joke upholding white Christian views until checking wikipedia.

I never also got Unusually Flexible Girl's obsession being married in her 30's before being myself in 30's.

>Eat 1 meal a day
>Drink only water
>Walk 1 hour a day
>Can eat goyslop or cook my own meals without gaining weight

Yesterday I hate 300 grams of turkey bacon with potato chips and goat cheese.

Weight loss for dummies:

>Eat 1 meal a day
>No snacks
>Walk 1 hour every day
>Remove all calorie drinks including alcohol, sugary drinks and juice

You can live off in fast food and lose weight.