Just my opinion: The ones I crossed out mean it's not a problem for me.
The ones left intact might matter depending on the circumstance.
Fnord wrote:
• She finds out that he already has at least one boyfriend or girlfriend.
• She finds out that he has a bad reputation with women.
• She finds out that he has a developmental, emotional, intellectual, and/or perceptive disorder.
• She finds out that he has anger management issues.
•She finds out that he has fathered at least one child by another woman.
• She finds out that he has no job.
• She finds out that he has only a primary education.
• She finds out that he is already married.
• She finds out that he is boring.
• She finds out that he is gay.
• She finds out that he is on the dole.
• She finds out that he is recently divorced.
• She finds out that he is recently paroled.
• She finds out that he is wanted by law-enforcement.
• She finds out that he lives in council housing or "The Projects".
• She finds out that he still lives with his parents.
• She was not really interested in the first place.
• She witnesses him being bullied.
• She witnesses him being drunk.
• She witnesses him bullying someone else.
• She witnesses him flirting with other women.
The question was whether she would stop being romantically interested.
It's easy to be "romantically interested" in people who are gay, or married, etc.
It doesn't mean I would pursue it, but we can't always control our interest.
I'd add:
You get to know him and he's not what you thought he was.
Lack of chemistry when you touch.
He's disrespectful to you.
He lovebombs you, or he's narcissistic.
He has addictions (gambling in particular).
He has a history of falling in love with multiple people.
He can't explain why he likes you.
He knows very little about you.
He talks too much (or too little).
He takes more than he gives (emotionally).
He wants you to be a free therapist.
He talks down to you.
He doesn't like animals.
He needs constant praise and validation.
He reads your emails or looks at your phone.
He accuses you of things you haven't done.
He steals from you or your kids.
He's rude to your kids.
He gaslights (anyone, ever.)
He doesn't respect boundaries.
He smells bad.
Notice none of these are about looks or wealth.
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And in the end, the love you take is equal to the love you make.