It definitely gets easier with time, doesn't it? I realized the other day I'd turned the corner when I woke up, made coffee, fed the cat, turned on the computer, brushed my teeth.... and saw suddenly that I hadn't even thought of smoking that first cigarette of the day or even fired up the 510! Wow, it's like taking shackles off your feet or something.
Every time I jog up a flight of stairs instead of trudging, every time I do my deadlift or squat workout at the gym, every time I go for a hike: I'm reminded how much better I feel today than just 3 weeks ago. 60 days for me doesn't seem so far away, but a month ago I would have thought it an eternity.
Good for you on 60 days. Can't wait to hear when you've added another 60 ... and another....and....