I don't know since my Korean friend translated it for me. She told me it was just a joke among guys. The poster is a guy saying he met JJH today, even got to shake hands with her. (He saw jjh's poster or standee and day dreaming that he was looking in to her eyes and got to shake her hands). Then one person replied in a joking way that right, her husband would have let you touch her hand. Lol. Another person asked why, is her husband is unfriendly? (Referring to many guys see her husband as being protective of jjh). She only translated that. There was another ig post about a girl seeing jjh's cf and wants to have body like jjh.
My Korean friend said the poster didn't see the real jjh but was day dreaming after seeing one of jjh's picture/cf standee. So that's totally different translation from the one that loyun posted. I don't know which translation is the correct one, one could have mistaken the post too. I don't know.
I think she said poster is a guy, I forgot since I asked her to translated 2 IG post. Lol. She could have got the guy/girl part mixed up.