As well as Gatland's worry for the well-being of the British and Irish Lion, who has scored 22 tries in 49 Tests for Wales, the coach has admitted a "selfish" concern that North is fit and available for the 2015 World Cup.
A bad start can happen, although that is now three in a row for Hamilton and two consecutively for both Mercedes, which team boss Toto Wolff admitted was a concern.
The environmental movement is almost completely sidelined by a recalcitrant and increasingly conservative Republican Party and, we must admit, a public concerned more with daily economic necessities than long-term ecological challenges.
He admits to a concern that the party is still "too extreme"as a result of its shady past: "They used to have some very bad people and a lot of them quit, but maybe a few are still left".
When I asked them if they worried about used Luminaid lights eventually lining roadsides around the globe as litter, they admitted it was a concern and said they were working on a new design that would incorporate biodegradable plastic.
"And to prove it, here's my ASCII picture of a car": More seriously, he admits, "a rather different issue concerns the objectivity of evaluating artworks".
A third admitted this concern led to anxiety about whether to leave the house, while just over half believed discrimination was widespread.
He does say that Assad admitted some concern that an airstrike would "tip the balance" of the civil war, which is a weird thing to admit if you don't want the attack.
In addressing the men, she dispelled their fears pre-suasively: first acknowledging their concern by admitting a weakness, which established her honesty for whatever she said next, and then following it with a strength that demolished the weakness.
Kibugu admits it's a concern.
Although admitting this is a concern, little is offered in how to rectify the problem.
