<human>: I came across a [photo of Chaz Ortiz (a professional skateboarder) in a skateboarding magazine] I grew up in the same area as Chaz and met him a few times so I was pretty excited about it. I showed my dad because my dad is a photographer and he told me that the photo was not authentic, and that the way the lighting was, there was no way that he did the trick in real life. He claimed that they added Chaz to the photo of the spot, and that Chaz had done the trick somewhere else. 

It turned into a big argument of me defending Chaz, the magazine, and skateboarding culture. Also, my dad was trying to explain to me that you can't believe everything you see and that there isn't always truth in advertising/photos. Being a photographer for the past 35 years, he explained how almost every photo you find is shopped and has only a layer of truth to it. 

I was really angry with this and sent a long email to the photographer asking about the details of the shot, and anything that could uphold it's authenticity. He replied with a detailed message about everything used in the photo, how it was taken, how he edited it, etc. 

The next day I showed the e-mail to my dad as well as footage I found of the trick. I felt all high and mighty winning this argument. My dad only looked down disappointed and said "I guess you're right". 

I felt like a total asshole. My sister explained to me that he was really bummed because he is a photographer and I made him look dumb. Even though I was right it made him upset. My dad is really awesome and always nice, so beating him in an argument really made me feel bad.

Can you give me a shortened version of the text?
<bot>: My dad claimed a photo to be a fake and used his 35 years of being a professional photographer as his backup, only to have me completely prove him wrong and make him embarrassed/sad.