Crossword puzzle clue "cohabitation without marriage"

Cohabitation without marriage

Eschew cohabitation, say

Census Bureau cohabitation acronym

"Love and marriage, love and marriage, go together like a horse and carriage," e.g.?

Answer to the riddle "What has rivers without water, forests without trees, and cities without houses?"

Roman orator who said "A room without books is like a body without a soul"

Without much ___ (quietly, without hype)

Without without with