Am I Being Unreasonable? Original Owner Wants Car Back

I found my old 1988 Honda CR250 dirt bike that I had purchased new back about 10 years ago…the guy that had it knew I really wanted it back so he told me $3000 which was twice what it was really worth at the time… while I was loading it in the truck to leave he kind laughed at me that I would pay that much…I said that the joke was on him because I would have paid $10,000 for it….the look on his face…priceless
I had to chuckle at this. One of my personal sayings is that if you think you paid too much for something you really wanted, in six months it'll seem about right, and in a year it'll be one of the best deals you ever made. Sometimes the money is irrelevant.