Maybe it really could have led to a successful relationship, even though it might not have been the most traditional path. In matters of the heart, who cared about tradition? As long as the ultimate goal was achieved, the process hardly mattered, and her brother should have been very willing...
Of course, the prerequisite was that Martina and Benjamin had a clean break. Otherwise, it was very risky. If Benjamin were to find out that someone was trying to make a move on his territory, he would have gone crazy. Just looking at how he behaved back in school could have told you everything.
At that exact moment, whether by coincidence or not, Benjamin suddenly emerged and casually positioned himself behind Martina. To an observer unaware of their true relationship, the way they naturally stood together might have suggested a familial connection, leaving many puzzled about their actual relationship and status.