I ran into this last year late (2013) and it was very aggravating.
This is what my experience was and it doesn't make any sense, but it is the new ACA law.
Under ACA, since COBRA is offered, your only options are to:
1. Enroll them on your spouse's work insurance or
2. Pay for the outrageously expensive Cobra.
3. Immediately purchase individual insurance. (maybe)
If you have any lapse in coverage it will trigger very negative consequences.
The only way you are allowed to buy individual insurance under the law is if you have a qualifying event (like your layoff) AND their is no family coverage available from your spouse's plan. If your spouse has an "affordable" coverage option, you MUST enroll them in it (or Cobra), whether you like the coverage/cost or not. You have one option.
However, if coverage lapses and you didn't elect Cobra or other insurance during the event "window", then your ONLY option if to retroactively pay for the obscenely expensive Cobra. You will not be allowed to purchase individual health insurance because you are outside the qualifying event time window. You are stuck.
I called at least 5 different insurance companies and if Cobra was available, they couldn't sell me individual insurance and since I was outside the event window, they also couldn't sell me insurance. So I had to roll 90 days without coverage because I couldn't pay $1,200 month. The agents shared my frustration, but their hands were tied.
I remember asking one of them, "Let me understand this -- I want to buy insurance for my family, but because I have an option for insurance I can't afford, I can't buy the insurance from Anthem Blue Cross that I can afford?"
The answer was an exasperated "Yes".