you may want to avoid starch (especially the bad ones) and stick to water, protein, veggies,and fruit (sparingly) if you want to lose weight faster. So to answer the question, "May I eat...?" follow these guidelines.
You do not have an exercise routine? Put a date in your diary and get a friend to go with you! Get started. Consult a doctor if you have not been exercising in the recent past or if you have one or more health challenges. Get active. Start or resume.