With a daily average of 10-20 trades/day it shouldn't take too long to draw conclusions. Hopefully, your relative drawdown is within an acceptable range.

Yeah, things can go fast once you have enough confidence to raise your leverage (do not forget to post a pic of your Malibu residence).

An out-of-sample p.f. of >1.5 is definitely impressive for a long period. I have similar results for the EURUSD, but those are still offline ones. I will start paper trading on a demo once I have similar stats on 4 other pairs as well.

Mind you, I'm very cautious given my formal live experience with MT4. It went great for 2-3 months, but at some point a couple of poor trades with too much leverage turned my system into a nightmare.
So yeah, your suggestion to be conservative with leverage in the early stage is a good one.