Her polite manners...........er, no, not that....
Her tendancy NOT to bitch behind people's backs just for a laugh........er no not that.....
Her dullcet tones.......er no, not that.......
Her calm composure and reasonable behaviour...........er, no not that.......
Her humility and the fact that she doesn't think she's always in the right.....er, no, not that......
Her pleasant nature when meeting new people and not making judgements based on a person's own principles............er, no, not that......
Her self-control and abilty not to resort to immature pranks out of boredom......er, no, not that.......
Her ability to NOT pepper her dialogue with swear words..........er no, not that either........
When I come to think of it I don't think Helen would even want to be described as NICE as NICE, POLITE, PLEASANT and DECENT in her mind is f*cking boring!