english: Now, for a period of three years, I gathered data, not just me but also some of my friends, and I used to teach in university, so I forced my -- I mean, I asked my students to do this as well.
non_english: Prikupljao sam podatke tri godine, ne samo ja, nego i neki od mojih prijatelja. A s obzirom da sam nekada predavao  na univerzitetu, naterao sam - hoću da kažem, zamolio sam neke od mojih studenata da urade to isto.