^ only you can know the answer to what your MIL will/won't expect from you and what you yourself are capable of.
some people find it hard to study even if they don't have any other responsibilities or chores. other people manage to hold down a job in the day and go to classes in the evenings and do study/housework on the weekends.
precisely :)
only you know yourself and the condition of your home better...
you can always start off with a couple of classes..and see how you handle them, because you will need the appropriate grades to graduate. Then you have got to factor in time for your husband and yourself..in addition to the housework that you are responsible for.