Why this video of a woman visiting her grandfather has the internet in tears.

Usually, scrolling Twitter is a soul-crushing experience that will leave you feeling bitter and angry at the world.

But sometimes when you least expect it, you’ll come across something so pure it’ll bring a tear to your eye.

Enter Jen Barclay and her extremely sweet grandad, Robert.

Scottish student Jen shared her love for her grandfather in an adorable Twitter post, complete with a video compiling his pure joy of greeting her at his front door.

She has only posted one photo so far, but the account already has 2000 followers.

We, and the rest of the internet, can't wait for more of our new favourite person.