Quote tags are your friend.
<blockquote class='ipsBlockquote'data-author="Signature"><p>★Hi comment! This is Spoiler, he's a nice guy but he's pretty indecisive sometimes. Spoiler, this is comment. Say hi!★</p></blockquote><div class='bbc_spoiler'>
<span class='spoiler_title'>Spoiler</span> <input type='button' class='bbc_spoiler_show' value='Show' />
<div class='bbc_spoiler_wrapper'><div class='bbc_spoiler_content' style="display:none;"> Uh...hi, comment. Good to, uh, meet you!</div></div>
</div>
<blockquote class='ipsBlockquote'data-author="Signature"><p>★ Spoiler recently found an apartment in *REDACTED BY POLARIS.* He's leaving soon, but we'll keep in touch! ★</p></blockquote>Also, thanks, reply ^_^
Oh and my friend Dunc says to say he didn't notice what comment had said until he actually said it.