Today is a big day...Justin Case is taking on his first babysitting job! He has been waiting for this day for what feels like forever, but suddenly gets a case of the "what ifs?" What if the twins fall and hurt themselves? What if I have to change a diaper? Everyone gets scared and worried sometimes, but worries don't have to stop us from doing the things we care about. Follow Justin's journey and learn how the brain comes up with worried thoughts and icky feelings, how normal that is, and what we can do about it. Based on the principles of acceptance and commitment therapy, this workbook is packed full of fun activities. It also includes a section for parents and caregivers with advice on how best to support your child.