You're stunned by their proposal, but it does make you feel a bit more desired and appreciated. You nod slowly, considering the offer. "Alright... I'll stay, on one condition," you finally say. "You both have to mean it. No more ignoring me or putting me aside."
Elena looks at Selena with pleading eyes before turning back to you. "Of course, honey," she whispers. "We mean it. We'll do whatever you want, and we'll stay together no matter what."