Liam Obergfoll couldn’t help but blush while addressing his current relationship status. The “Next Gen NYC” star exclusively spoke to Page Six’s “Virtual Reali-Tea” about the nature of his relationship with co-star Ariana Biermann. “We’re talking. We’re just talking,” Obergfoll, 29, told co-hosts Evan Real and Danny Murphy. “[We’re] having fun, but keeping it casual.” As fans witnessed in Season 2 of “Next Gen NYC,” Obergfoll quickly caught eyes for Biermann, who, at the time, had recently broken up with her on-again, off-again boyfriend of seven years, Hudson McLeroy. Biermann, 24, explained in the premiere episode that she decided to end…