Whatever the dosage, does the effect eventually become difficult to recognize?

What the title says. Started taking 20mg.

Day 1 - Awesome, and I get why people said it was lifechanging

Day 2 - good, but wore off early and only left dizziness. Not sure if I had the same level of hopes and confidence in things as the first.

I know, what can I say with certainty 2 days in. But knowing 20mg is at a rather lower end of the dosage spectrum, I’m wondering if I upped the dosage to, say 40, then its plateau would end up somewhere comparable to how my Day 1 with 20mg felt.

Let me be clear - I’m not talking about feeling “high”, but rather the ability to “just do it”

From what I see in this subreddit, it seems like any dose, even 70mg or 80mg, evntually becomes hard to tell and last thing I want is to keep upping the dose to get this first day experience.