Here are some inspirational relationship quotes that I found:

- "There is only one happiness in this life, to love and be loved." – George Sand
- "We are most alive when we’re in love." – John Updike
- "True love stories never have endings." – Richard Bach
- "Love is composed of a single soul inhabiting two bodies." – Aristotle
- "When you stop expecting people to be perfect, you can like them for who they are." ~ Donald Miller
- "A real friend is one who walks in when the rest of the world walks out."
- "Never love anybody that treats you like you’re ordinary." ~ Oscar Wilde

I hope these quotes inspire you! Let me know if there's anything else I can help you with.