Irish heartthrob Niall Horan hosted an impromptu question and answer session earlier this afternoon (December 17) with his followers on Twitter and opened up about stress, his teeth, and being back at home.

When asked by one fan how he manages to stay stress free and with a constant smile on his face, Horan joked that he doesn't let things bother him although when he's older and married that might change:

"Just the way I am I guess! Don't like to stress and think too much! I'll worry about that when I've got kids and wife."

He was also quizzed about wearing braces by one follower and explained that he no longer has to wear a retainer frequently: "I have a bar at the back of my teeth that will stay there forever apparently, so I don't have to wear the retainer as much."

Horan then told his fans that he's always happy to return home from a tour or event with One Direction, but he misses the privacy he enjoyed before finding fame with the boyband: "Yeh miss them a lot, and the lads! I wish we had more private time when I'm at home though."