I hate being so depressed!

So we are back from Florida, nice visit with my daughter. She has been gone for 7 years, enlisted and gone 2 days after her 18th birthday (Christmas Eve). It seems that every time she leaves or I leave her I can't say good-bye. It hurts my heart to have to leave. She is grown, married and has her own life, but I never miss her any less. Everyday, I wish she was home, but I thank GOD she is not fighting overseas. I guess the depression of leaving her will be her for its usually couple of days.....my poor hubby, he feels my hurt!