This idea was captured by advertisers in a long-running cosmetics campaign built around what is now the most recognizable phrase in 150 years of advertising: “Maybe she’s born with it. Maybe it’s Maybelline.” When I was a kid, I loved these ads. They always showed a beautiful, well-dressed woman, prompting the viewer to wonder if her face looked like that when she woke up or if she relied on Maybelline makeup to get
“the look.” (Although, even as a kid, it was clear the answer was Maybelline, every time.)
So it goes with overthinking—or, more accurately, not overthinking.
What does "So it goes with overthinking—or, more accurately, not overthinking. mean?

Question

This idea was captured by advertisers in a long-running cosmetics campaign built around what is now the most recognizable phrase in 150 years of advertising: “Maybe she’s born with it. Maybe it’s Maybelline.” When I was a kid, I loved these ads. They always showed a beautiful, well-dressed woman, prompting the viewer to wonder if her face looked like that when she woke up or if she relied on Maybelline makeup to get
“the look.” (Although, even as a kid, it was clear the answer was Maybelline, every time.)
So it goes with overthinking—or, more accurately, not overthinking. 
What does "So it goes with overthinking—or, more accurately, not overthinking. mean?

Answer

"So it goes with overthinking—or, more accurately, not overthinking."

- so it goes with X = the same is true with X = the same logic (i.e. what was just mentioned) applies to X.

So the writer is saying that the same logic he/she was explaining using the Maybelline ad (that what strikes you as the most plausible is usually the correct answer) also applies to overthinking. Overthinking (thinking too much, going beyond the simple and obvious) is the opposite of what the writer was talking about. They're saying the answer can usually be gotten simply and intuitively without overthinking, and to drive this point, they add 'or, more accurately, not overthinking'. The last part stresses that what the writer is proposing is NOT overthinking, in case the reader get the wrong idea that they are a proponent of it (because people might mistakenly take the key phrase (overthinking), rather than the negative of it (not overthinking), as what's recommended).

Answer

Here if you see.
The main emphasis is being given to Maybelline Products.The  Slang given here is Maybelline is an Awesome product and actually no one should have doubt in it..

Now coming to your question :
It goes with Overthinking , meaning it starts with little Overthinking ( what should be the product name , which product is this ) , but suddenly it strikes that Definately it should be Maybelline
As no other products stands in between ( for this the writer had written "more accurately not Overthinking " .

Hope this helps.
Sorry for typo.
Writing in big screen with small fingers 😂

Answer

Message me if you want to practice English speaking.