Will I really go into starvation mode eating 1200 calories?

Anonymous
Will I really go into starvation mode eating 1200 calories per day? I really want to lose some weight and plan to eat between 1200-1500 calories (aiming for 1200) and running 4 times a week along with swimming 1 hour per week. I want to lose 3 kg in 5 weeks.
Will I really go into starvation mode eating 1200 calories?
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