Helpmeet generally refers to a wife; not necessarily a servant. In this case, yes, a girlfriend would also meet that criteria.
"Roughing it" is what a person does when they go out into nature. For example, if you go camping, you could say that you would be "roughing it", for you would take away all outward influences, such as TV and the computer and even running water. It is an experience where one must use only the necessities.
Student or Learner