and am not sure if I have the lemmy.
You don't. You are logged in to a kbin account but, just like if you were logged in to a lemmy account, you can read and post to the same threads and comments. Just like if you were logged in to your gmail account you can send an email to somebody with a hotmail account or another gmail account. Doesn't matter.
Glad it's starting to make sense. And notice here that instead of replying on Lemmy, from my lemmy.ca account I am replying from Kbin, on my kbin.social account.
killing my two 10yr old
...and a great candidate for posting to No Context
Want that 90s website feeling?
Here's some really old websites that are still running, unchanged, after decades:
https://www.tic.com/index.html
http://www.pmichaud.com/toast/