Larry Stylinson Written Proofs

The Sign ❤

During the concert, when Louis double patted his chest with his left hand, then switched his hand and did it again..

And Harry responded with a Thumbs up ❤

According to sign language studies, double patting the chest with the right hand is symbolic to someone calling the other as their Lover ❤

Louis did the same on the stage and Harry's thumbs up just summed it up, their love for each other