It really does happen in the blink of an eye.

A college freshman from Plano, Texas, showed gratitude to his dad's support throughout the years with a now-viral tweet.

Charles Brockman III tweeted a side-by-side comparison of his first day of kindergarten and of his college move in day, all with his dad right by his side.

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Brockman tweeted the picture over the weekend, and it’s since garnered 61 thousand retweets with more than 256,000 likes.

Brockman is a freshman at Mississippi State University, according to his Twitter page.