The loss of his wife preyed deeply upon Graham's mind, and first he set out for twelve-months of foreign travel. However, still overwhelmed by great sorrow, and now in his forty-third year, he tried to drown the thought of his loss by adopting a military career. Before the incident with Mary's coffin near Toulouse, Graham had sympathised with the French and their revolutionary ideals but from that point on he detested them and saw his military career as a way to take revenge.