Solid Love by Joni Mitchell explores themes of enduring and reliable love. The song dives into the comfort and steadiness that comes with a dependable relationship, contrasting the fleeting emotions often found in less solid romantic encounters. Key moments in the song include reflections on shared experiences and the mutual support the partners provide each other, underscoring the deep bond and emotional strength they draw from their union. Particularly poignant is the way Mitchell's lyrics weave the idea of love being a foundation, something you can build your life on and rely upon through various challenges.