I am still learning after 2 months. Don't know that I have ever had the perfect shave. Still dealing with some bump issues. However, have tried lots of advice on here and still feeling my way to the perfect shave.
Never really had an issue. I use the headblade, and that makes it easy. I shave in the shower. I still have 2 moles on my head that I need removed because I need to becareful that I don't take them off myself. I guess I had it down after 2 weeks. I have tried at the sink, but it is easier in the shower.
I still have two spots I can never get totally smooth. I use headblade against the grain, and the use mach 3 to get problem areas and these two spots will not go smooth. Now you cannot see any hair, but I can never get rid of the stubble feeling in these two spots. I know I'm being picky but I wish I could figure out a way. I've hit them from all different angles with both razors ... no success
couple of weeks for me but I am always picking up new ideas. Shower shaver with headslick for me.
I've been at it for about 3 and a half weeks now and its only been within the last few shaves that I feel I've really gotten my technique down, still have a couple of tricky spots though. I usually do a quick pass front to back then a bit more thorough back to front followed by touchups. And shaving in the shower definitely seems to be the way to go.
In the Bible it says... "Pride comes before a fall and a haughty spirit before destruction".
Ever since I bragged that I no longer had any issues with my shave I have whacked the crap out of myself about every other shave!

LORD I REPENT!
lol, Sgt.

That's why I am not going to answer this one. Seems to be bad luck.