It’s not necessarily genealogy advice, but sometimes in order to really process information and understand something, one need to be able to concentrate. Turn off the television, close those open browser windows, turn off the email/text alerts, etc. Really focus and concentrate on what you are attempting to analyze and understand. It may not be possible to “tune it all out” and focus as intently as Riley is in the illustration, but sometimes making an attempt to remove distractions can really help.
And researching three families at the exact same time only leads to confusion.