What you call negatively, I call being realistic.
The paragraph you quoted contains "one idea".
I don't believe that healthy relationships are hard work nor should they require hardship but I do acknowledge the urge to want to "work hard" and experience hardship to make a nearly healthy relationship, healthy. I just advise that you think carefully about whether the.end result will be worth it, as I've said a few times.
I'm not a believer in settling, or love overcoming all. I don't think its healthy to sacrifice your needs, desires and values in order to make yourself compatible with someone. And those beliefs are what influences my opinions.