Where did Im Jonesing get its meaning from? I'm Jonesing for a little Ganja, mon I'm jonesing for a little soul food, brother (verb) jonesed; jonesing; joneses to have a strong desire or craving for something (Merriam Webster) Where
grammatical number - Dos and donts or dos and donts . . . The following nGram suggests that dos and donts, do's and don'ts, and do's and don't's are all used, but it appears that do's and don'ts takes the cake A quick search suggested that capitalizing all but the s is also fairly popular: