A Choice?

I heard the following line in a movie. "Every woman has the love life that she chooses."  It always makes me stop and think if it is true or just a line in a movie meant to explore the protagonist's feelings.  In looking at some books last night concerning anxiety attacks.  One of the books' titles was Happiness is a Choice.  It made me think of the line in the movie.  Obviously not in relation to my love life, but in relation to my happiness and to my depression.
Do I choose each day to be depressed?  Do I choose to be anxious?  Do I wake up each morning and choose to be this way?  In all sincerity, I say that I do not choose to be this way.  I don't wake up each morning and choose to be grumpy, choose to be sad, or choose to scratch.  I don't wake up each day and want to go backwards in my treatment. 
In thinking it through though, I realize that at some level, I do choose to be that way.  I realize that this choice comes after the feelings or thoughts have already hit me.  I rarely know the trigger for these emotions.  Once they have hit though, finding a way to release myself from them is not easy.  I will admit that it comes easier as time passes, but it is still not a quick process.  I would like to think that I am not choosing to be that way when it is so rough and dark.  When I am in the depths of those feelings, I do not feel like I have a choice.  I feel like getting my head above water is what is most important.  At that point, getting above water, getting through the anxiety is no easy feat.  I guess in those moments though, I am making a choice.  I am choosing to try to get above water. 
I guess the whole point to this point is that conciously, I do not choose to be unhappy.  Conciously,  I do not choose to be depressed, upset, and sad.  I don't seek each day to be Eeyore.  I long to be Pooh Bear.  Is it a choice?  Or is it something that I can't control, conciously at least?