We get 4th Covid shot; I pull struggling girl out of pool

My wife and I got our fourth Covid vaccine dose. We debated if we really wanted or needed another shot, but since I'm approaching 68, have had some lung issues, and live in a city with dirty air where masks are becoming less fashionable, the debate was a short one. I didn't even feel the needle go in, but I developed some real tenderness in my shoulder that evening. It disappeared after two days. No other side-effects noted. I've said it before: I'll be a human pin cushion if it keeps me out of a hospital. My wife had the same shoulder soreness and some minor chills, but otherwise she's doing well.  Our soon-to-be 6-year-old daughter Joanna is next in line for a shot. Not sure about our 2-year-old son Elijah. I read where kids in the U.S. will be getting shots.  I would like our daughter to get jabbed before she starts school, either here or in the U.S. 
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My daughter had floating devices on and was swimming widths last week in the bigger pool where we go. She swims well with floating devices because she doesn't have to keep her head under water for very long. This was the first time ever I stayed in my street clothes and didn't swim with her. So I'm squatting down next to the water talking to her, when a 12-year-old girl comes splashing toward us. Her mother stands next to me and is shouting to the girl, who starts to struggle a bit in the water. I see that the girl is in trouble about 4 or 5 feet from the side of  pool and starting to go under. Her mother is screaming at this point. I was hoping I wouldn't have to jump in the pool fully dressed with cell phone, shoes on and wallet in my pants to get the girl to safety. Nonetheless, I was certainly willing even though I'm a very mediocre swimmer. Just as I was ready to leap, the girl surfaced. I yelled for her to reach for my extended hand, which she did. I grabbed her hand and arm, and pulled her out of the pool. The girl just walked away coughing, and she seemed a little angry and perhaps embarrassed; I have no idea since the girl and her mother spoke zero English. The mom thanked me profusely in Vietnamese. A short time later, the girl played with my daughter in the kids pool, then returned to swim in the big pool's deep end. I don't know what to make of the whole deal. One of the reasons I didn't swim that day was that there were 28 kids in the pools, splashing, jumping, frolicking, and so on. Joanna wants the interaction, even if it's awkward due to language. She enjoys playing chase and race with the kids, but really hates being grabbed, and she's not afraid to make that point to any kid of any age, or adults as well. In fact, she hates being touched by anyone she doesn't know, and will let whoever touches her know she doesn't like it or want it. I encourage, love and respect my daughter's strong character.
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Reading Salt by Mark Kurlansky, and it's becoming a slog. I like the substance and have mildly high blood pressure to prove it, but the book, while very interesting in parts, has a textbook flavor, so to speak. The facts and details are piled on high and are overwhelming at times. Like everything else in the world, Kindle is getting more expensive, so obviously I'll finish to keep my Kindle reading streak going (it's at 922 days in a row) and get my money's worth. ... I found a decent restaurant near our house, Hong Kong Seafood, and our whole gang walked there Thursday for dinner. We had shrimp, octopus, ribs, black eggs and tofu, and garlic with some kind of  cooked lettuce ... thanks to my wife, who did all the ordering and talking in this one-language eatery. The last time I went there with my daughter I got scallops and tofu that was put in to-go boxes, which wasn't my intention, so we ate out of the boxes at our table in the restaurant. The food was OK, but expensive, and the experience was weird. That wasn't the case with my wife there. ... I got my precocious daughter a hammock as an early birthday present and she loves it. Not even 6 years old yet and she understands chillin'.