He will be fine, and will remember you. I think you are lucky to have family that will watch the dog while you are away.
Fama hadn't seen me in a year and a half and there was no question that she remembered me.
When a dog saves the life of a man, it becomes clear that partnership knows no bounds.
Fama - T.E.D.D. OEF XI-XII (GSD)(RET)
Marshall - T.E.D.D. OEF XII-XIII (Lab)(SF EDD)
Lucian - Med Alert / Mobility SD (Cane Corso)
Pud - the old man (Pit x Lab)