I’m no Manjaro fan by any stretch, but their most recent certificate issue, while foolish and 100% avoidable, got blown out of proportion by many in the Linux community that latch onto any negativity whenever they can and run with it. There’s plenty of other discussions here about Manjaro, so I’ll just leave it at that.
One of the most important things to remember is that it’s your system, so use it however you like and don’t worry so much about what others might think. I use Gnome, some prefer KDE or a WM, but we all use it how we like and that is all okay. Also, respectful and friendly behavior goes a long way here.
I’ve been all over the place from Ubuntu, Fedora, PopOS, Solus, Manjaro, openSUSE, and EndeavourOS. there’s nothing wrong with staying on one or trying new ones out, just do whatever works best for you. I’ve never tried window managers much, but plenty of other users here could help you with that. It helps to have specific questions in mind when you need support, otherwise it’s a lot harder for people to help when they have to guess around things.
One thing I really must stress, EndeavourOS is not beginner friendly. While the devs make the install user friendly that anyone could install it, to update, maintain, and use your system requires a lot of reading (EndeavourOS wiki, Arch wiki, etc). It also requires that you have a desire and a willingness to learn how your system works. The EndeavourOS community is friendly to all, beginner or expert, so feel free to ask when you run into problems. Just remember to search your problem first before posting so that eliminates duplicate threads.
Never run partial updates. Always stay up to date, daily, weekly, or bi-weekly updating is fine. Read the Arch Linux News page. Also check this forum too before updating if you’re at all uncomfortable. Try to stick with the linux-lts kernel as it’s the least likely to cause issues. Only use linux kernel if you have newer hardware.
Most users, including myself will say they like that EndeavourOS is very close to Arch, it’s easy installation, and most importantly it’s awesome and supportive community that really sets it apart from other distros.
And lastly, I was dual booting PopOS and Solus for a while before I wanted to go to the bleeding edge which brought me to EndeavourOS. If you have any issues here, feel free to open a new thread, always provide as much information and logs if you can and always be patient with others since we all come here to help out on our free time to volunteer and help out in whatever ways we can. I’ll try to add some helpful links, but I bet a dozen other users here will soon offer even better tips than I ever could. And welcome to the purple side! 
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