Yes, old people often change how they dress because they want to be more comfortable. As they get older, they might choose clothes that are easier to wear.

No, many older people keep wearing the same style they've always worn. They like what they've always liked and feel good in those clothes.

It depends. Some old people might change their style because of what's popular now or what their families like. But others might keep wearing the same things because they know what they like.