Lucas has said that they aren't allowed to date while at the hospital.
But he has a second FB page where this is the last post he wrote:
Lucas Werner
8 February at 07:05 ·
I met a 22 year old in the hospital. She and I frequently talked til 2 or 3 o'clock in the morning from around 9 pm. It was like magic. We just clicked.
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He also spoke about that chick on his main account. He sent her a package with a bunch of his stupid junk foods. The package was returned to him by the hospital.
Now I don't know whether the hospital does ban dating, but if he was telling the truth about how much he was talking to that woman then surely it wouldn't have been that hard for them to mess around when they weren't being watched.
Lucas is obviously seriously dumb to keep getting catfished every time. It could just be that the girls he's creeping on tell him they're not allowed to date and he just believes them even when they're lying.