I'm afraid there is no particularly good answer to this question. It is simply one of the idiosyncrasies (a peculiarity) of the English language that we choose, for example, to capitalise days of the week and months but not seasons.
Yes, the season "Fall" should be capitalized when used in a sentence as it is a proper noun.
You capitalize the word "birthday" at the beginning of a sentence, and no other time.
No, you do not need to capitalize "special education teaching position" in a sentence unless it is at the beginning of the sentence or part of a title.
If you are writing something with a title, you would capitalize Happy Holiday Season in the title. If you are writing it in something other than a title, you would not capitalize it.
No, you do not have to capitalize the word "female" unless it is at the beginning of a sentence or part of a title.
Yes, the season "Fall" should be capitalized when used in a sentence as it is a proper noun.
At the beginning of the sentence or when it forms part of the proper noun or when it is used in the title. Example: Warm this Season
You do not capitalize chickenpox in a sentence. The exception is if the word is the first in the sentence.
No, you do not capitalize "first birthday" in a sentence.
You only capitalize 'deceased' if it is at the start of a sentence.
No, except at the beginning of a sentence because it is n ot a proper n ou n.
Yes, you should capitalize the letter after a comma in a sentence.
Yes, you should capitalize the word after a comma in a sentence.
It is capitalized at the beginning of the sentence or when it forms part of the proper noun. Example: Bluer Eyes & the Fall Season
Yes, you always capitalize a day of the week.
You should not capitalize a sentence fragment following a colon.
Yes, you should capitalize the first letter after a comma in a sentence.