Hi. Welcome. All I can suggest is to try to keep the lines of communication open between the two of you and to continue to be supportive of his progress and him telling you his feelings. You could ask him what's going on with him when he seems distant. Hope you'll keep reading and posting here and best wishes to you. CQ

<font color=orange>"I must lose myself in action,
lest I wither in despair."

Lord Tennyson</font color=orange>