What goes into your decision to use capital letters on the rare occasions you do. Do you use capital letters only when things are very important?
sometimes to emphasize a word, i might capitalize the first letter. sometimes i use it to start a sentence when the previous sentence ends with etc. and it wouldn't otherwise be clear. i very often use capitals for acronyms. and music chords, or just when talking about things labeled with letters, such as column A and column B. i use capital letters in almost every common way, with the exception of mandatory capitalization of the first word in a sentence and the letter i