I agree with Curious Lady.
Also take a look at the comment from your post that I’ve highlighted. Now, that was a stupid thing to do on your part. Your father is lashing out at you…and that’s a sign…of him losing control of his emotions. His anger is getting the better of him and he’s being impulsive. You made a rather hasty statement in your effort to appease him. Can’t fight impulse with impulse.
Your dad will eventually cool down…his anger is temporary…it’s not as big a deal as marriage. You’re trying to make a BIGGER SACRIFICE of yourself for a smaller gain. That doesn’t make sense.
I know it’s easier said than done…but don’t get into an argument with your dad. Don’t talk back to him because that will just aggravate him further. And DON’T agree to marrying your cousin…if you’re dead against it. Is your mom the more calm and level/headed parent? If so…consider talking calmly to your mom. Apologize for hurting her…explain your feelings about your cousin…and why you felt compelled to join a matrimonial site. You know your mom better than we do. Perhaps she may be able to reason with your father and calm him down. If not…is there an older brother/sister or relative such as a aunt/uncle/grandparent that can talk to your parents on your behalf? This advice was suggested in your previous thread as well.
^I’d say that for right now…stay calm…don’t talk back to your dad…see if you can talk to your mom FIRST…before involving others outside of the immediate family into your problem.