Am I doing it right?

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So approximately 6 months ago I weighed 16 pounds more than I do now. I didn't really add much exercise and I added a bit of a difference to my diet. All it really did was let me lose a couple pounds but that was over many months. For the past 50 days I've officially gone hardcore by changing my diet completely (I no longer ever drink soda, I never eat fast food, junk food rarely etc.) I eat very healthy now, but of course I have my days. Also I exercise 5-6 times a week, for 1-2 hours. I've so far lost 8.5 lbs. If I keep on doing what I've been doing will I see results? All I do is cardio, I don't do strength training.