S/he loves

She's tired of being alone. She makes him happy. She's excited to be with him. She laughs a lot. She's funny and energetic. She loves him. He enjoys every moment with her. But there are times when.. ..he yearns for solitude. ..he likes to be alone with his thoughts. ..his energy fades. But he doesn't want her to feel alone. He wants to always be there for her. He loves her. ..