<p>Y or N? You know the drill…</p>
<p>I would limit them as much as possible, but having a select few probably won’t be so noticeable or look badly on you as a writer. I think writing out the words as opposed to using contractions sounds cleaner and clearer, if that makes sense. Read your statements out loud as well. Sometimes things sound better/worse when spoken aloud than when read in your head.</p>