Favourite Friend by Snow Patrol is a heartfelt exploration of friendships and emotional bonds. The song delves into the deep connections forged with friends who offer unwavering support and understanding. Throughout the lyrics, there's an emphasis on the comfort and solace that comes from having a close friend who is always there, no matter the circumstances. Key themes include loyalty, companionship, and the emotional strength derived from strong friendships. Poignant moments in the song highlight the idea of leaning on a friend during tough times and the significance of mutual support in maintaining mental and emotional well-being.