The 'wife losses bet and get knot story' is rather ambiguous. It could potentially be a story where the wife loses a bet to her husband or someone else. As a consequence of losing, she might find herself in a difficult situation symbolized by 'get knot'. This could mean she has to deal with a complex web of consequences, like having to change her plans, sacrifice some of her own time or resources. Maybe she bet on a sports game and lost, and now she has to cook dinner every night for a week as per the bet, which makes her daily schedule all jumbled up like a knot.
I'm not sure specifically which 'wife losses bet and get knot story' you are referring to. There could be many fictional or personal anecdotes with such a title. Maybe it's about a wife who made a bet and as a result got into some sort of complicated situation, like having to take on an unexpected task or face a difficult consequence. Without more details, it's hard to say more.
Well, without knowing the exact details of this 'wife losses bet and get knot story', it could be that the wife lost a bet and as a result, got tied up in some sort of family or social obligation. For example, she might have bet on something silly like who could clean the house faster with her friend. And if she lost, she had to take on an extra chore that was really time - consuming and felt like she was in a knot because of all the new tasks. But again, this is just speculation.