Your question is a bit unclear. What days?
like, more than 6 days
New Mexico spent more than 60 years as a US Territory.
Conditions in Mexico aren't as good as they are here in the USA. They come so that they can make money and then go back to Mexico and be wealthy. Its easier to make money here than in Mexico. Some people like it here and stay.
Less than three days? Doubtful, unless nuclear weapons come into play. Even the invasion of Grenada took longer than that.
Mexico is warmer as it is much closer to the equator than Canada.
Cancun is such city. It is a fact that on average, it has more than 240 days of sunshine per year.
Most likely smog. Mexico City has a worse smog problem than Los Angeles ever had.
Less than 2 days. 2 days after arriving in Mbaino, he was back in Umuofia.
There are six of them:A fixed working dayResting days with a minimum of one day for every six days of workObserved holidays according to the official calendar (see related questions)Vacations of no less than six days a yearVacation pay of no less than 25% of their current salaryA bonus at the end of the year (known as aguinaldo in Mexico)
It is just a matter of personal preferences. Some would like Mexico more than other countries; some wouldn't.
warmer than the great lakes
No, as long as the jewelry you bring back from Mexico is not worth more than USD 10,000. Otherwise, import duties are expected.