<human>: Can you give me the gist of the text in a nutshell?

About a year ago a friend of mine for 10+ years asked me to be in his wedding. I agreed but not formally, at that time knowing that it was probably going to be in Mexico. This was a year ago and no details were known. Fast forward to now, he just told me today where the wedding was going to be and what days. It's going to be in Cancun at one of those crazy expensive resorts during an expensive time to travel.

Basically for 3 or 4 nights it will be almost $3200 for me and my girlfriend. For me alone it would be $2100. Checked with the travel sites (travelocity, etc...) and they say $2600 for both or $1800 alone. Will have to get a suit/tux at a cost of another couple hundred dollars. To me, this is a crazy amount of money to ask your friends to spend.

The problem is, I can afford it. I work in tech and make good money but I am a saver. I am trying to pay off my house and burning $2 or 3 thousand for 3 days is just very irresponsible to me. I am doing very well financially and he knows this so I simply cannot have the excuse of not being able to pay for it like a few of our friends are pulling.

I just cannot justify this expense. The resort they chose is $500/night. I would never, ever, even consider spending that kind of money on a hotel even for my own wedding night. How can I possibly get out of this without ending our friendship or am I being unreasonable since I can afford it?

I should say he is the type that will just not understand why I wouldn't want to do this as we have completely different outlooks on finances.
<bot>: Friend is having an expensive destination wedding in which I am a groomsman. I can afford to go, but think it is just way too much money.