He's growing up so fast! Jill Duggar shared a super sweet video of her son Samuel Dillard learning to walk with the help of his grandma Cathy Dillard and dad Derick Dillard on June 27. Watch the adorable moment in the video above!

Believe it or not, Samuel is already 11 months old, and while many fans have expressed concern over the development of the Duggar children due to their unusual parenting styles, Sam is actually doing great. BabyCenter says that "most babies take their first steps sometime between nine and 12 months and are walking well by the time they're 14 or 15 months old." That means Sam is on the perfect track.

Sam also seems happier lately. When he was younger, fans frequently commented on his grumpy expressions, but in more recent videos he's smiling, laughing, and seems thrilled to be playing games with his mom, dad, and older brother Israel. The cutie enjoys playing with blocks, trying new foods, and going on adventures like his first boat ride!

Now that Sam is more mobile, he's more of a handful for Jill. For example, when she was getting ready for her anniversary celebration with Derick, Sam wandered into the bathroom and made things a little more difficult. "#Momlife when you’re tryin’ to curl your hair but a little 'helper' comes in and is determined to unroll the toilet paper no matter how many times you try to distract him with other toys!" she wrote. Luckily, she didn't seem too upset. "Haha #lovemyboys?" We can't wait to watch Sam continue to grow and become his own little person!

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