I wouldn't normally do this, but 25,000 upvotes...

2  2017-10-03 by [deleted]

[deleted]

1 comments

If that's considered good jokes now, then Chip could be a millionaire.

its called self deprecating humor.

she is saying that she teaches him nothing of any value, while he teaches her valuable things/skills for life.

basically

when I married this white guy, I found out that I am retarded

is short version of the joke, but she stretched it for time.