She making mention to the African american males of that time period who went to bars and played pool and jazz music and drank alchohol instead of finishing school
<span>Proverb “Feeding a cow with roses does not give
extra appreciation” means that you shouldn’t waste your effort and time on
people who can’t grasp the meaning and effort of your action to appreciate it
enough. In short, we could say that it means that you shouldn’t waste your time
on someone who doesn’t deserve it. Similar proverb can be “Casting pearl before
swine” which originated in Bible (Matthew 7:6, Jesus’s Sermon on the Mount).</span>
Arrhythmia, you should try playing Bio Inc. It's an easy way to remember these things.
The last one ouch a connation is a feeling that adds to the meaning