You were dating Billie at the time when she owned a male pit bull named Shark. It was impossible not to love Shark because he was the cutest dog ever. Because Billie shows him love, Shark is so clingy to her. You were left with Shark while Billie was on tour. Shark was whining because he was thinking about Billie in addition to cuddling up to you. Billie called you

Hey beautiful She said to you but also hearing shark whining

Is Shark okay? She said sounding worried