How do you dress when attending a wedding?

When I went to a friend's wedding in the past,

I went wearing a suit, but now that I'm a year older,

I've noticed lately that people don't wear suits to weddings.

I noticed there were many people like that.

So, I'm not wearing a suit for an acquaintance's wedding either,

Wearing it comfortably yet neatly

How do you usually handle attending?