Common denominator problems

When someone complains about how bad something is, so they substitute it for another thing they believe is good, only to complain how bad it is almost immediately after the substitution. The individual making the complaint has no self awareness and therefore doesn't realise they are the problem and the things they claim are bad, probably aren't.

Example 1:

A woman is bored of sex with her husband, so she divorces him and finds a new and exciting man to have sex with. Then she realises the sex is boring and repeats only to find the sex is still boring. It is likely she just sucks at sex.

Example 2:

A man is frustrated with the demands of his job and quits after a year taking on a similar job elsewhere believing it will be better only to realise that he is frustrated with the demands of his new role. He then repeats this, when in likelihood, he just sucks at managing his workload.

Joe: "man, Bill always complains that the women in this city give bad head"
Steve: "maybe Bill is the problem?"
Joe: "how so?"
Steve: "Common denominator problems, my guy. He probably just has a numb dick"