Absolutely...talk to your son....NOW. Something major is going on with him and if it festers any more you are going to have a lot more to deal with than just failing grades.
T19 M15 S19 XH47 M43 bomb12/4/07 PA5/07 S12/26/07 D final 11/17/08 Back together with no defined R 05/2010 confused....to say the least!!!