Can you say no to a friend's wedding?

Are we spending too much on other people’s weddings? Going to a friend's weddings can be so fun and meaningful… but it can also really hurt your wallet. A survey by LendingTree found that 31% of people who had been to a wedding in the past five years had accrued debt to attend. So what’s driving up the cost of weddings for guests? And what makes it so hard to say no to these expenses? Brittany…