If Throg sometimes appears to be a bit grumpy then consider the fact that our poor hero seems destined to live a lonely life without the comforts of the (slightly) fairer sex. Ever since the flood of of adolescent hormones first hit his bloodstream in his mid 50's he has been hoping to meet a sturdy young lady with a neatly trimmed beard but his success with the ladies to date has been non-existent.
It is not for want of dwarfly charm that our hero's passions have been unrequited. It is a simple matter of never having found the right woman. Or rather it is a fact of never having found any woman at all. Throg has searched and searched but in all his travels around Middle Earth he has yet to meet a single dwarf of the opposite sex. It would seem that dwarven women are fabulously rare and are those that do exist are highly protected by their fathers (who were young themselves once and know exactly the sort intentions a young dwarf is likely to have towards their beloved daughters).
Think first of Throg's frustration and then imagine the excitement that overtook him on finding a delicately carved axe in the remains of Balins camp, a distinctly feminine axe! He immediately forgot his anger at the fool dwarf who sent him on a errand to check out this this camp in an area infested with hordes of vile bugs (the fool had asured Throg that it would be an easy mission for a Champion of the 55th level but in fact Throg barely escaped from the fast respawning insect hordes even at level 57).
Where will this lead? Will Throg finally meet the love of his life?