Person1: "I'm feeling quite rough today."
Person2: "That sucks - what's the matter?"
Is Person2 using correct punctuation, or should there be a comma to separate the statement and the question?
Person1: "I'm feeling quite rough today."
Person2: "That sucks - what's the matter?"
Is Person2 using correct punctuation, or should there be a comma to separate the statement and the question?
“That sucks” and “what's the matter?” are independent clauses. Joining them with a comma is a comma splice, which is generally considered a style error in English. Dashes, colons, semicolons, and full stops (periods) are all acceptable punctuation for separating independent clauses:
That sucks. What's the matter?
That sucks; what's the matter?
That sucks: what's the matter?
That sucks—what's the matter?
The different punctuation marks indicate subtle differences of intonation and meaning. The full stop indicates two separate, complete thoughts, whereas the semicolon is a weaker break indicating two related thoughts. A colon introduces the second clause as an expansion or explanation of the first. A dash may represent a more abrupt break, or it may simply be used as a visually distinct alternative to a semicolon or colon. Any of them may be appropriate for the example sentence, depending on the exact shade of meaning intended.
Person 2 is speaking two sentences. There should be a period.
Person1: I'm feeling quite rough today. Person2: That sucks. What's the matter?
"That sucks." is a complete sentence. "What's the matter?" is a complete sentence.