No only the word "Friend" is capitalized
A capitalized letter
When it is at the beginning of a sentence, or at the end of a letter. I don't see it capitalized anywhere else.
Yes, in English grammar, the first letter of a sentence is always capitalized. This rule helps to distinguish the beginning of a new sentence and aids in easy readability and understanding of written text.
If being used alone at the end of a letter then it should be capitalized. If it's following the word "yours" then it shouldn't be capitalized.
Yes, "Yours truly" is typically capitalized at the end of a letter as it is considered an appropriate closing phrase.
Yes, common nouns should be capitalized if they are at the beginning of a sentence. This is a grammatical rule that helps to differentiate the beginning of a new sentence.
Goodbye my friend = Adiós, mi amigo/a Goodbye, your friend (i.e. at end of letter) - Adiós, tu amigo/a
The final paragraph should just reemphasize your appreciation, and then end it Yours sincerely and sign it.
The signature should be written at the end of the letter, near the left or right margin.
The typical ending to any letter is to write a closing phrase like "Sincerely yours," "Love," or "Yours always." You do not have to end a letter in any special way unless you are writing a formal letter. If you are writing a love letter to someone, you might simply sign your name at the end, or you could put "Love," before you sign.
No, the word after the end of a quotation is not capitalized unless it is a proper noun or the first word of a new sentence.
your friend or love or your best pal