I don't want to go to the dentist. - Don't think about it right now. Try to relax.No quiero ir al dentista. - No pienses en eso ahora mismo. Trata de relajarte.
I'm so worried about the exam Monday. - Don't think about it. You're prepared.Estoy tan preocupado por el examen del lunes. - No pienses en ello. Estás preparado.