How many factors will stand in the way of me exclusively seeking long-term relationships?

I am looking for a long-term relationship and already face a lot of difficulty with previous experience with relationships with some men that did and. I did have more bad experience then good experience. I am just wondering how many more factors that will come into my way with only looking for long term relationships. I was just texting one guy that was on Facebook dating. I am not sure if one guy is single?
How many factors will stand in the way of me exclusively seeking long-term relationships?
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