Answer:
Mercutio says this as a way to say "Your family feud has caused my death!" The houses referring to each family.
You should capitalize "I" when you use it. That will help you get better grades.
The initial results seemed promising, but the final effects were kind of disappointing.
In the given sentence above, the unnecessary qualifier that needs to be removed is "kind of". It is an informal expression which is usually used as meaningless fillers. So, the final sentence will be:
The initial results seemed promising, but the final effects were disappointing.
I believe the sentence is too vague.