According to Yuri Yudin, it wasn't the Russian way to just be with one person or to show one specific person that you liked them, whatever that means. Doreshenko and Zina were on a hike the year before and Zina fell for Yuri D because he chased a bear with an ax. They dated, and then, without warning, he broke it off, which broke her heart. Zina sent a friend a postcard or letter either before they left or after they had left, that surprise(!!), guess who was on the hiking adventure with her? Yuri Doreshenko, and she wondered how she would act and how it would be with him on the trip. But, I don't know if it was Yuri Yudin or who, but, supposedly, several of the guys had a crush on Zina. No one knows if Igor and Zina were dating, because the one letter she wrote him, was all business about the trip, and there was no indication of a romance between them. It could be that since they were both majoring in the same thing, they had classes together and hiked together, so they were friends, and perhaps, we won't know for sure, something was starting between them. Also, a book was found, where, I don't know, that belonged to Igor and it had Zina's picture in it. Since no one knew anything, no one knows if there as anything going on between them.