Cancer may want more home life than Libra finds satisfying. Libra tends to need social contact and activities outside the home, and may experience as confinement what for Cancer is a space of closeness.
The reading of motivations and interests can soften that difference. A Cancer with a strong social interest or a Libra with a marked home orientation will find more common ground, without their own priorities disappearing.
Both may share a sensitivity to art, beauty and comfort. Cancer may enjoy hosting Libra’s friends at home and offering a well-kept setting. That meeting of home and social life lets their interests touch without forcing them always to choose one or the other.