Lana would often ask about Kevan when she lived with Larissa.
"Larissa, why haven't I seen you going on dates with Mr. Rogers?"
"Why don't you invite him to join us for a meal?"
"Maybe I should go back to my own room, so you can ask Mr. Rogers to come and hang out for a while?"
The constant mention of Kevan made Larissa suspect that Lana had developed feelings for him.
She wasn't Kevan's real girlfriend, and Lana had unilaterally broken up with Lucas. Neither Lana nor Kevan were officially in a