I got that advice as well – the explanation given to me was that it’s almost always used incorrectly, so just be safe and don’t. However, I like the way it makes writing more closely resemble natural speech; we usually talk in conjoined clauses rather than complete sentences.
I had an eloquent friend who used them in college. The advice he got from TAs (many were from overseas) was to not use them.
I got that advice as well – the explanation given to me was that it’s almost always used incorrectly, so just be safe and don’t. However, I like the way it makes writing more closely resemble natural speech; we usually talk in conjoined clauses rather than complete sentences.