No. You still have as many steps as you set in your deck options. Steps are the intervals that will be used if you only press Good. Again and Hard will keep you within these steps for a longer time, while Easy will kick you out of the steps.
Like @zhushenli said:
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If you press Hard on the first step, the interval will be the average of step 1 and 2 - Again and Good (in your case (2+8)/2 = 5).
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If you press Hard on any following step, it will simply repeat the current step instead of moving on to the next.
Some Advice
Your steps are pretty close together (assuming they’re set in minutes). You’re only using your very-short-term memory here and the difference between Hard, Good and Easy is negligible. I recommend spreading them out over a greater timespan, e.g.: 10 120 1440 5760 (and for Easy maybe 6 days).