They are loud
Weddings are usually very loud, whether it’s the music or people talking, which bothers some people and makes them not want to go.
There are people they don’t like
Some people prefer not to attend weddings they’re invited to if there’s a chance of meeting someone they don’t like there.
They don’t like small talk
Weddings are all about small talk and mingling with different people, which some people dislike and are not good at.
They don’t like dressing up
Many people dislike going to weddings because they have to dress up, as men have to wear suits and women have to wear fancy dresses.
Some girls don’t like putting on make up
Some girls dread having to go to weddings because it’s almost a must they put make up on, which they might not like doing.
They are against the concept of weddings
Some people are against the concept of getting married and having weddings as a whole. In this case, they dislike going since they don’t support the cause.
They don’t like dancing
Some people don’t like dancing and others are not good at dancing. In this case, they would prefer not to go to avoid this social activity. (See Why some people don’t like family gatherings?)
They don’t like nosy people
Some people at weddings are nosy and always want to know if a person is going to get married soon.
Bad choice of music
Some weddings play really bad music, which could annoy some guests.
They are introverts
Introverts usually prefer to stay at home and not mingle with big groups of people. For most of them, weddings are stressful events. (See The body language of introverts)
They are antisocial
Antisocial people would prefer not going to weddings to avoid having to talk to people at all.
They are forced to go
Some people hate going to weddings because they’re usually forced to go to make the bride and groom happy.