I came up with this idea, because I travel to my regular job (24km) by bicycle and I find that is very good, stress free therapy. So, brainstorming looks like this:
1. stress free = bicycle
2. divorce, in my opinion, means that two persons heading in two opposite directions
3. divorce had to be done by two of them = that is why is only one bicycle, but a strange bicycle for two :)

Also, my idea was to create the feeling that life is going on. Sad but romantic.