What’s a conspiracy theory you actually find believable?

I live alone or enjoy bachelor without any support from family members and friends because married life is full of conspiracies to kill husbands or grab property.

Nowadays, mostly conspiracies or murders in married life for property or hidden affairs. Presently, there is rapidly increased in the murders of husbands by conspiracies to grab properly. Married life is full of conspiracies or  dangerous life. Most male individuals are afraid of marriage due to cheating by their female partners or even murders.

So I live or enjoy bachelor life without any conspiracies.