Hi...well first off a big congrats getting benzo free....well if your 60 hr in and still feal nothing your probably good I tapered off benzo's and like you I was on them for years.....I did experience withdrawals though but it started in the first day....every once in a wile we get some one that gets a ''get out of jail free card'' I think you fall into that category....just know some anxiety is to be expected that and getting to sleep where both a problem for me.....you will really like the way you feel being off them so if you have questions feel free to ask keep posting for support
I think you are doing alright. Congratulations for what you have accomplished so far.
A massive Well Done on your taper. Everyone is different and if you have no withdrawals don't look for them. Not sleeping is the biggest issue and anxiety for lots of people.
Remain focused do not celebrate with loads of alcohol because that's how many fall back into old ways.
Celebrate with a Pamper day instead, if you like. Relaxation, a swim, a jaccuzzi and a massage or some reiki and some good company.
Enjoy and Good Luck