Answer:
Here, you can copy off of / copy and paste this:
His mom compares the stairs to life by showing how hard it is. She shows how hard it is by comparing her tough life to splinters, tacks, boards, etc.
Anywhere? minor details are small details that don't really matter, so like let's say your hair is healthy but a minor detail would be that you see one split end. is that what your asking?
I believe it would be in the 3rd sentence
Answer: Negative
Explanation:
Although they can be used in a vaguely positive lighting, persistent, stubborn, and obstinate are negative connotation words.
Persistent - continuing firmly in a course of action in spite of difficulty or opposition
Stubborn - having or showing determination not to change one's attitude or position on something, usually in spite of good arguments or reasons to do so
Obstinate - stubbornly refusing to change one's opinion or chosen course of action despite attempts to persuade one to do so