He told The Daily Record: "Any time there is an event or anything, they just surprise us and go above and beyond and it's amazing that still happens to us and we're just very, very lucky to have the fans that we have."
Liam Payne added, "There's just no way to kind of comprehend it."
As always, they give credit where it's due, with Liam noting: "You never imagine that anything gets to this level and we're just so happy and so, so grateful for everything. The fans have made it all happen and it's insane."
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