It seems to me that everyone makes secure choices and it really affects their lives. We take the secure job instead of following our dream for the security of having a home, food to eat, and a "good" life. We make friends in the security of having a higher social ranking. We make sure we are involved in every activity/club in high school so we can make the secure choice of college, get a good career even if it isn't our dream, and have a good life, without our passions.
What if somewhere along the path of life, you find someone that you really care about and let them go? Then, they move on, yet you wait patiently hoping they will return to you and never do. Before you know it, you yourself have moved on with another person.
Even though everything seems perfect, they've moved on, you've moved on, everytime you see them, you wish they were still yours.
Before you know it, the person you still have feelings for stops by and you talk about the times you've had together. Everything rushes back to you and it's a little scary, but you like it. It seems as if even though you've moved on, you're still with that person.
Here's where a secure choice comes in. Both people have moved on and started relationships with someone new, since they feel that is a secure choice. Even though they both know that they do truly love each other, they stay with the one they are with. Is this a secure choice based on the fact that you love each other so much that you believe you aren't good enough for them? Or is it secure because they know that the relationship they're in now is sort of a cushion for the world to see that they've "moved on" and would be seen as weak to return to the other person?
Either way you look at it, secure choices have made them unhappy. The person they're with has become such a secure choice they're afraid to take a chance on something real. In time they'll realize they were meant for each other, but what if it's too late?