He went merely to relight his candle, but certainly he might, during this time, have performed the operation ten times over.

Some unforeseen accident might occasion his delay.
Another interval passed, and no tokens of his coming.

I began now to grow uneasy.

I was unable to account for his detention.

Was not some treachery designed?
I went to the door, and found that it was locked.
This heightened my suspicions.