How can I escape an arranged marriage when my parents threaten to kill themselves should their arranged marriage plans fail?

NoSimpingForTheUgly
Growing up, my parents always tried to force me into believing every single detail about Islam, and while I am a "Muslim", there a lot of major ideas from it I disagree with and am disgusted about, and one such idea is the idea of arranged marriages. An arranged marriage is where people outside of the bride and groom to be (primarily the parents) choose who the couple will be. And what disgusts me about it is that neither person who is being married gets to have a say in the matter. Not only that, but there is absolutely ZERO romance involved. And I want no part in an arranged marriage.

However, my parents threatened me that if I ever have a girlfriend and participate in a love marriage and not an arranged one, they will die, either by the grief of me not succumbing to their whims causing life-threatening conditions (such as a possible heart attack) or them outright committing suicide. The thing is, I don't want my parents to die and bear the guilt of my life choices killing them, yet I don't want to bend over to my parents' will in that regard.

How can I escape their plans for setting me up for an arranged marriage so that my parents will not end up killing themselves?
How can I escape an arranged marriage when my parents threaten to kill themselves should their arranged marriage plans fail?
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