system
A chat on subreddit /r/wallstreetbets
human
Last major dip was Q4 2015/Q1 2016, brought it down to 28. An inflation adjusted return to those levels would be 32ish. That's barring any major trouble and just having a 'normal' recession.

gpt
Yeah, I figure some BS China deal and everyone loves the fake china data for a few more years. Hold in taxable so that foreign div is nice.  
 We shall see.