At first, kids may not want to disclose their innermost feelings. When kids reach sixth grade their parents can start to lose them at a feeling, sharing level unless they do something to counter that. It's a difficult time. Parents need to choose their words carefully. Add value to grocery visits.
Kids can learn a lot of lessons in the grocery store.
With your direction, little kids can learn to sort and categorize goods in the cart or at the checkout line. It's a good place to practice reading and spelling, too. Make a game out of it. Sharpen those listening skills. Whether in the car, at the table or on a walk, tell stories, either real or whimsical.