I would tell them to tell a trusted adult and use a helpline like nsvrc.org as a resource. Be there to support them during the aftermath as it will take a toll on their mental health.
Help him in seating down
give them glucose, if they have it
If they don't have it, let them consume anything sugary-juice, sugar loaded water, candies
Monitor the sugar levels and If the situation does not improve, call the hospital and ask for an ambulance.
By countless hours of research and tests
This could be a sign that the person has bulimia
Everyone will have different fitness goals.
It’s important to have these goals because it’s not just about weight ,it helps increase motivation, energy, helps one focus, and strengthen one’s muscles.