You & I - Brisbane, 02.11.15

^I just watched a youtube fan video of You & I from the other night in Brisbane and it was... wonderful.
This is Louis and Harry when Harry sings the first chorus:

These are not even just their usual stolen glances. Louis is actually actively looking at Harry while he sings and Harry is looking back.
Liam and Niall seems to notice L and H's little serenading sesh, and starts serenading Zayn, who immediately notices and plays along:

Then they turn around to do the same to Harry and Louis who just...

Hah.
Haz and Lou in their own world.
After Harry finally notices Niall and Liams attempt to serenade them, they sort of already gave up, and then L and H just goes back to

why