Hernias develop as a result of weakened abdominal muscles. Inorder to help the same you need avoid/take care, of things that cause increase in abdominal pressure. Severe cough,constipation,lifting weights all add up to worsening the condition.
Next Steps
Take medication in case of persistant discomfort.
Health Tips
You can actually start walking for 30 mins (ideally 45 mins at least 3 days a week) ,maintain pace throughout. It's never easy to stick on,so really give it a push.It helps in improving your overall heath in the long run.A balanced diet with less carbs,fat,oil and more of fruits,green leafy veggies and lot of water,is all you need to keep your weight in check.