Find out next time
Lex waited and watched as the group of ladies around him struggled to come to a decision on his offer. It was pretty straightforward actually. He didn't expect them to have any reason to say no. But the way some of them looked a little disappointed upon hearing how he turned their entire interaction into a business deal.
Whether they were hoping to actually get close to him, or were disappointed that Lex showed no interest in them, it did not matter. What was important, though, was that they finally confessed why they were all coming close to him.
Gaining votes just by being close to him not only ensured that they would continue to move onto the next rounds, thus meeting higher quality guys who survived the first round of elimination, the votes somehow affected their luck as well.