To lead to opportunities or social advantages.
pull the ladder up behind oneself
To prevent others from attaining or benefiting from the same advantage…
progressive love
A committed open relationship based on boosting the love and affection…
open a can of whoop ass
A good-humored threat of physical harm.
open fire
To begin firing (weapons) at something or someone.
open the kimono
To reveal confidential information, especially details of one's busine…
open book
Something whose salient aspects are obvious or easily interpreted.