There shouldn't be a should when it comes to attending Daily Mass. If you can -- and most chapels don't have that luxury -- do.
Yes, I don't see what being newlywed has to do with it. If anything, they should be expected to be more pious and have more time for prayer, Catholic study, spiritual reading, etc. because they don't have much else to do
: i.e., No kids yet!
I would clarify that the daily Mass must be a Tridentine Mass. Other than that, yes, Trads should treasure the Mass, as it's the most important way you could spend 1 hour of your life. At the hour of death, you will NOT regret the Masses you attended, but you might regret the Masses you didn't attend, but could have