My Boyfriend Just Left For Basic to Train For Army, I Need Answers?

His basic training is only 8 weeks lol its the army not the Marines basic for Marines is 13 weeks not including mos training. His Mos is his additional training. But id send only letter that's it nothing more nothing else also make sure you know what your writing. In the marines they take your letters and read them b4 you send them so idk how it is with the Army bunch of wimps lol FYI the army is called DRILL Sargent the MARINES are called DRILL INSTRUCTORS GET IT RIGHT PPL!!!