If I Keep My Heart Out of Sight by James Taylor is a tender and introspective song that revolves around the themes of love and vulnerability. The lyrics explore the singer's internal struggle with opening up his heart to the possibility of love, fearing the pain of heartbreak. It's a contemplation on whether to take the risk of falling in love or to protect oneself by keeping emotions guarded. Key poignant moments in the song include lines that reveal the hesitation and cautious hope that define the delicate balance between love and self-protection.