Stop what you're doing, we've found your new favourite viral video.
It's very rare for a baby to start talking before they're six months old. But in the above video, baby Cillian appears to say the word 'hello' at just seven weeks.
The surprising clip has gained more than one million views on YouTube in just two days.
“He hasn’t said anything since but you can tell when he’s trying. When he flicks his tongue in a certain way, you know he wants to say something," mum Toni McCann told the Belfast Telegraph.
Mind. Blown.