Alex, you're a very skilled storyteller. I enjoyed reading the post. I have one small piece of constructive feedback: your use of commas was a little confusing at times, and it slowed down my reading. Commas can be tricky, and I sometimes struggle with them as well. Here's a quick guide that I find useful: http://www.grammarbook.com/punctuation/commas.asp
You didn't need a comma here: "at times and it slowed" Or here: "can be tricky and I sometimes struggle" Granted, you might want a dramatic pause or the comma might break up parts that could be misconstrued as together. Chiding Alex with superfluous commas? Generally speaking I recommend dropping commas where you can. Like you said, they're speed bumps.
There's no need for either of us to be snarky. I told Alex that I enjoyed his writing and respectfully offered feedback.