It's hard to say. It could be that they're undergoing some sort of technical issue or rebranding. We might have to wait for official announcements to know for sure.
One possible thing that could go wrong is that the wife might accidentally use too much pressure during the massage and cause pain instead of relaxation. For example, she might be inexperienced and not know the proper techniques. Another situation could be that during the massage, an old injury is aggravated. Maybe the husband had a previous back injury and the massage in the wrong way made it worse.
Fan Xian had gone to Jingdou, but Wu Zhu's exact whereabouts were unclear. In the plot, Wu Zhu had been to Jiangnan, Danzhou, and Jingdou. According to Fan Xian's lines in the play, Wu Zhu might have returned to the Temple, but his memory had been erased. In addition, according to the plot mentioned in the other answers, Wu Zhu might have chosen to go to Dong Mountain alone. Therefore, there was no definite answer to the question of where Wu Zhu had gone.
Well, in the 'went the day well true story', the day actually went quite well. There were some tense moments, but overall the positive aspects outweighed the negative. For example, the characters were able to overcome difficulties and achieve their goals, which made the day a successful one.
Perhaps the 'gf went black' could mean she entered a state of depression or a very low point in her life, like a dark mental space. And the 'wont go back' means she doesn't want to return to the way she was before that. She might be trying to build a new and better life for herself and is determined not to slip back into her old, unhappy self.
In the 'went the day well true story', several factors made the day go well. The characters' determination and cooperation played a big role. They were united in facing difficulties and supported each other. Also, some unexpected opportunities that came their way during the day helped. For instance, if they were in a situation where they needed resources and suddenly found a source of help, that contributed to the day going well.