What happened to TVXQ's Changmin and HIGHLIGHT's Yoon Doojoon in the military? ”After the discharge, I lost interest in cooking”... ”Seiri's Rice Restaurant”

On the new variety show "Watercress' Restaurant," TVXQ's Changmin and HIGHLIGHT's Yoon Doojoon spoke about the aftereffects of being discharged from the military.
On the morning of the 28th, SBS's new variety show "Seri's Rice Shop" was broadcast for the first time. "Seri's Rice Shop" is a show featuring former professional golfer Park Seri and K-POP
The stars Changmin from TVXQ and Yoon Doojoon from HIGHLIGHT run an auction house where they listen to the concerns of their hot celebrity customers and cook for them.
It is a food talk variety show where guests are treated to garden-style cuisine. Park Se-ri asked Yoon Doo-joon, "When you were at home, did you ever invite a lot of guests over?"
Yoon Doo-joon said, "Not at all. I can't even dream of entertaining guests with cooking. I lost interest in cooking after I went into the military."
Changmin confessed, "I used to like cooking too, but after I went to the army..." and drew laughter.
Changmin said, "There are circumstances that Seri doesn't know about.
When you join the military, you don't want to do anything hard and you want to take it easy.
"It seems like it's been like that for a while," he confessed. Meanwhile, "Seri's Rice Shop"
It is broadcast in Korea every Sunday from 10:55 am.