concerning vs 27.. "are you bound to a wife, do not seek to be loosed, are you loosed from a wife, do not seek to be bound."

Bound:

deo {deh'-o}

Outline of Biblical Usage
1) to bind tie, fasten

a) to bind, fasten with chains, to throw into chains

b) metaph.

1) Satan is said to bind a woman bent together by means of a demon, as his messenger, taking possession of the woman and preventing her from standing upright

2) to bind, put under obligation, of the law, duty etc.

a) to be bound to one, a wife, a husband

3) to forbid, prohibit, declare to be illicit


other uses:
Rom 7:2 For the woman which hath an husband is bound by the law to [her] husband so long as he liveth; but if the husband be dead, she is loosed from the law of [her] husband.

So, this is talking about the same 'bondage' as in 1 Cor. 7. Paul says, but if you do marry (or become bound) you have not sinned.

More later...