I know I can’t tell myself to get over you. That’s not how it works, I’ve tried. But god dammit, I am so tired of loving you when you don’t love me back. I’m only hurting myself and I know I have to, need to, stop. But how? You were perfect, are still perfect. And even though you broke my heart, I still love you. I guess that’s the problem though. You’re still perfect, just not for me.
Dense Dipper and a persistent Bill? And jealousy on Bill's part of another character (probably Tad but he's Mabel's) who's way too close with Dipper for comfort.