I can come to warn him about the disadvantages and implications of the Internet. Tried to warn him, rest and take care of yourself and do the work myself to complete assignments.
I can remind him about the disadvantages and negative effects of Internet addiction. He tried to remind myself to relax and take care of yourself and the work assigned to it.
I can warn him about the disadvantages and effects of Internet addiction. Trying to remind him to rest and take care of yourself and work himself assigned to finish.