You make me laugh, Japanese Gaming Company Female Number Twelve. Never change. --- Keep your head up, don't say you love him. Walk away from all that has hurt you. Find your power, y'know you're strong. Make that step and it'll help you along!
Most of this about Liam is correct, however, there is a way to make him realize so much sooner. If Sabrina tells Liam she can't accept the Lily Hairpin, he'll want to know why. Tell him that you are not Olive, and he'll realize what he is doing, so he won't give you the Lily Hairpin.
Later on at the Forest Concert, he'll apologize for what he did before, and gives you the Flower Hairpin then.