Boyfriend learns ASL to 'sing' beautiful songs for deaf girlfriend in viral video

A heartwarming video of a loving boyfriend 'singing' Christina Perri's "A Thousand Years" to his deaf girlfriend has left social media in complete tears.

In a viral tweet by the lovebird's cousin, Bree wrote:

"My cousin's girlfriend is deaf and my cousin practices beautiful songs to interpret for her."

Naturally, the video left Twitter users in their feelings because hundreds of loving messages poured in.

"Girl I was tearing up."

"This is getting me so emotional right now. So neat but also so emotionally moving in the same now. We have so many blessings that we take for granted."​​​​​​

"Aw, the little girl says "why are you crying?" And she says 'nobody has ever done that for me.'"

The video has been retweeted over 50,000 times and has thousands of likes and comments.