<p>Was it? Because I wrote about a few things...</p>
<p>Hm, 600 char is very short, so I just gave one main reason and elaborated on it. I think that if you do multiple reasons, you may not have enough room to elaborate as much as you’d like. Just my opinion, though.</p>
<p>It can be about one thing or ten things, if it’s powerful and truthful. You don’t want a laundry list of random stuff that has no connection to you.</p>