The last time you came home after your curfew, your parents grounded you for the next two weekends. Ever since then you have been careful to come home on time. The change in your behavior is best explained by

I guess by your parents grounding you your behavior changed wanting to not be grounded again and thinking of consequences before your actions?

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.