What are the criteria for you to get settled?

Some of us feel like we don't want to get settled for any one. Like don't want to get married, don't want to be committed, or we tend to want for more and more or the better that's why some people want to keep open relationship. Or some only does dating hook-ups or one night stand or only have friends with benefits. Some never wants to get settled with any single person and choose to stay single.

So what are the criteria for you (possible or not doesn't matter) so that for that you are ready to get settled with only one person for life and ready to give your everything to them happily?
What are the criteria for you to get settled?
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