If Canada and the United States merged into a single nation, how would the public of either react?

Canada is actually already a part of the US, they don't acknowledge it, and we let them.
 We protect Canada, from all the bad kids on the play ground, they are good with that, and except for some of the stuff they have that we want to dig out of the ground, we are good with that. 
They get to brag that they are so nice that they can get away with a navy that is a few Chriscraft and a couple of helicopters, they can pick and choose their army personnel, for only the best and the fastest, with a small logistical tail. 
We can go the Montreal and pretend we are in a foreign country, and they can pretend to be French and sneer at the cowboys. Then, the French Canadians go to Old Orchard Beach, Maine, and wander around in electric blue speedos and flip flops, eating ice cream and showing off body hair.
Do push ups get easier?

Yes, Push-ups get easier with time but they are must do even for the professional bodybuilders.If you are habitual of doing 50+ pushups daily at one go then with time you will find them easier to do and will become lesser effective as it won't take much effort. Therefore it is advised that after a month of this

Are vapes better than cigarettes, health-wise?

I'll probably will not tell you anything new, because you've got your question answered many times, but this fragile theme,

Are husbands or wives more likely to seek a separation or divorce - why?

Seeing as women file 70% of divorces, then yes they are more likely too seek a divorce, but separations I believe are roughly the same, 50/50.But the thing too remember is that separation can't completely turn your life upside down, divorce can and it will for at