If by "loose" you mean promiscuous... lax upbringing, parents who had multiple partners, too-strict parents the child rebels against as they grow up, nonconsensual sex at an early age, a desire to "please" or become "popular" with the opposite sex (or sometimes the same sex), or a mix of these factors.
loose
some people might die if they loose to much
I like them snug, but many people prefer them loose.
Gum disease is the main cause of loose teeth.
Knowledge
by sweating
People in the plains wear light & loose clothes.
You loose it by not sitting on the sofa all day like some people. Go outside, and get moving.
People loose their lives and homes are destroyed.
People in the plains wear light & loose clothes.
Possibly
maily to loose weight!