To live within one's means, without spending more than is affordable.
live beyond one's means
Have a lifestyle where one's spending regularly exceeds one's income.
draw a straight furrow
To live correctly or ethically, without deviating from the right line …
live a lie
To conceal something about oneself, without the knowledge of which oth…
take to heart
To take something seriously; to internalize or live according to somet…
live over the brush
To cohabit without being married.
live in sin
To cohabit as if husband and wife without being married.