Im so depressed please answer?

Ok so I'm in california and I'm all the way on the other coast I JUST DON'T KNOW!!!I feel very sad missing my family on the east coast I'm just visiting my dad but I just got here and I wanna cry but I'm sad and happy and I don know how to be full happy and it makes me even more sad I left my grandma,dog, and mom :( I just now don't even want to be here but the ame time I kinda do to visit my dad