Answers: You don't give your age or household history or what the rest of your life is approaching.
Chaos and stress effects your concentration, as can everyday distractions. I point out the stress part within particular because if you are worried you are stressing yourself which can merely give you more cause to worry, which lead to more.......
Relax, take action, keep a to do roll. Your problem is never memory, everything is in near. It's the recall that falter.
Doubtful, but perhaps ramp up your B12. Sublingual is the best.