Yes, I think people who like to smile often seem friendlier. A smile makes someone look approachable and calmer. It helps when you talk to them, because you feel comfortable.

Smiling does tend to make a person appear more friendly and approachable, but it's not the whole story. Sometimes people smile as a polite social cue rather than out of genuine warmth, so you need to look at body language and tone as well. Overall, a smile usually opens doors in conversation.

Most people smile in photos because it's a habit and it looks nice. We are taught to smile for pictures so everyone looks friendly and happy.

People smile in photographs because it's become a social convention — smiling signals confidence and likability. Cameras also prompt posed behaviour, so people put on a pleasant expression even if they're not feeling particularly joyful; candid shots, by contrast, often show a wider range of genuine emotion.

I think women often smile more than men. Society teaches women to be pleasant, so they smile more in social situations. But it's not true for everyone.

Research and everyday observation suggest women tend to smile more due to social norms and expectations — they're often socialised to be welcoming and emotionally expressive. Men may be encouraged to appear reserved. That said, context matters: in professional settings some men smile a lot, while some women keep a neutral face.

Younger people probably smile more because they are more carefree and outgoing. Older people smile too, but sometimes they're more reserved.

Younger people often smile more spontaneously — they're freer to show emotions in public. Older people may smile in a different way: more gently or knowingly, reflecting life experience. Health, culture and personality also influence how often people smile at different ages.

Yes, smiling is important in my culture. We smile to be polite and to greet people. It's part of everyday manners, like saying hello.

Smiling is important where I'm from, though there's a distinct British reserve: we often favour a small, polite smile rather than being overly demonstrative. In service industries and everyday interactions a quick smile smooths conversation and shows courtesy, but it doesn't always mean deep friendship.

Yes, people sometimes pretend to smile, for example at work or at parties when they are tired. It's a way to be polite even if you don't feel happy.

There are plenty of occasions for a forced smile: customer service roles, formal diplomacy or even social events where you want to be polite. This emotional labour can be draining, because people conceal their real feelings to meet social or professional expectations.