Answer:
Your aunt was always very careful during her trips abroad. Andar con pies de plomo
The flight to Asia took 14 hours, but I slept for 8 uninterrupted hours. Dormir a pierna suelta
The child told us a story that made no sense at all. No tener ni pies ni cabeza
Your friend was able to figure out the way back to the camp just by looking at the stars. Dar en el blanco
Step-by-step explanation: