"How about we stop talking in riddles next time, Livi?" Oliver scoffed. How could his sister be so straight-forward yet cautious at the same time?"I'm not talking in riddles. What I have told you is the truth, it's not hers but I don't know who it belongs to."Swatting his hands to change the topic, "So you will contact me within a week and then we'll go and visit Mum together. Correct?" Oliver massaged his forehead to relieve it from the throbbing pain. One problem solved. More problems to go. "Aren't you going to ask me why?" Olivia swiveled her seat and faced her brother."Why? What?" He raised an eyebrow, taken aback by Olivia's random question. "Why Ava helped me.""Okay." He nodded, looking intently at his sister. "Why did Ava help you?""Forget it. You don't want to know, anyway." Olivia felt unconvinced with Ollie's acting. Something about Ollie's micro-expression bothered her.