The pressure on your part will make your little one experience rather unpleasant associations with the sport. (bebezclub.com)
If you can begin crate training when your cat is still a kitten and hasn't yet made unpleasant associations regarding the crate, the job will be easier. (catster.com)
There are genetic differences, for a start — or even the fact that unpleasant associations of your grandmother's potatoes will ruin the most artfully seasoned canapé. (newscientist.com)