Arnold Schwarzenegger wishes son happy birthday in the most Arnold way ever: 'You are crushing it in the gym'

Arnold Schwarzenegger prepares to start the Run for the Kids charity run as part of the Arnold Sports Festival Australia at at the Alexander Gardens on March 18,
Photo credit Getty Images

If he keeps acting like this, no one is going to be afraid of the Terminator if there’s another reboot.

For every tough guy he’s played on the big screen, Arnold Schwarzenegger matches it with an instance of being an incredibly sweet man under all that muscle.

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Over the weekend, Arnold took to social media to wish his son, Joseph Baena, happy birthday in the most Arnold way ever.

In the caption to a tweet featuring three photos of dad and son, the "Conan the Barbarian" star congratulated his newly turned 24-year-old on several major accomplishments — including the progress of his pump.

"Happy birthday @projoe2! I am so proud of you and I love you! You are crushing it in the gym, in your real estate career, and in acting. I know this will be another fantastic year," the former California governor wrote alongside a pic of the two enjoying drinks at a restaurant, another of them riding bikes, and another of the fit father-son duo posing in front of a weightlifting art mural.

Of course he just had to slip working out amidst all the sweetness.

Joseph followed up in response to his pops, posting his own thanks on his Instagram account.

Baena is Schwarzenegger's son with former housekeeper Mildred Baena, with whom he had an extramarital affair. Schwarzenegger has four other children with estranged wife Maria Shriver.

Truth be told, at 74, Arnold's tough guy days are probably behind him anyway, and this kind of aww shucks moment is more on brand with the “Twins” sequel that is the big guy’s next project.

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Featured Image Photo Credit: Getty Images