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While some professional athletes will indulge in the finer things in life without thinking twice, New England Patriots tight end Rob Gronkowski is making sure he doesn't go broke.

Some fans may believe Gronkowski is pretty careless with his money. After all, he has been partying almost nonstop this offseason and even has a Gronk Party Bus. That doesn't mean the NFL star is just throwing away money—because he's not.

Gronkowski has put together a book titled It's Good to be Gronk. Robert Klemko of the Monday Morning Quarterback read the memoir and shared some fascinating passages. There are, of course, your typical Gronk stories in the book. However, the 26-year-old Patriots star also revealed he is very smart with his money:

To this day, I still haven’t touched one dime of my signing bonus or NFL contract money. I live off my marketing money and haven’t blown it on any big-money expensive cars, expensive jewelry or tattoos and still wear my favorite pair of jeans from high school. ... I don’t hurt anyone (except Gord with the occasional kick to the groin), I don’t do drugs, I don’t drive drunk, I don’t break the law. ... I’m a 23-year-old guy just looking to have a fun time.

While his partying frequently makes its way onto the Internet, nobody has to worry about Gronk going bankrupt like so many athletes before him.

In 2012, Gronkowski signed a six-year, $54 million extension with New England. That came on the heels of his rookie contract, which means he already had quite a bit of money in the bank.

Gronk's performance on the field and personality off of it have made him a marketable player. BodyArmor SuperDrink, per Forbes' Lance Madden, and Dunkin' Donuts, per Boston Business Journal's Lisa van der Pool, are among Gronkowski's endorsement deals.

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There's no doubt Gronk is going to go out and enjoy life, especially after helping his team win a Super Bowl this past season. Being at the top of his craft and earning a huge salary could lead to blowing stacks of cash without a care. That's not the case here.

Anybody who criticizes Gronkowski for being a "party animal" at least has to admit he's got his head on straight. The gregarious Gronk will have his fun, but he's not going to be completely irresponsible.

[MMQB]