They love each other very much. Especially Niall and Harry. They are secretly a couple and have had some recent struggles concealing their feelings which would explain why you may have seen them kissing each other.
They don't kiss each other on the lips.
Because they like each other?
Kiss one or both cheeks OR kiss OR kiss on the cheek OR kiss one another OR kiss each other on both cheeks OR kiss each other OR kiss each other on one or both cheeks. All these answers are acceptable on the Aventuras Supersite.
One Direction
No. One Direction doesn't kiss fans on lips. Only cute girl ones.
in my aspect one direction would never leave each other because of their deep love for one another
Couples kiss because they like each other, and have deep feelings for one another.
X-Factor
Because.
kiss you - one directiion
Harry
tomorrow