If you are having financial difficulties in regards to healthy eating maybe you could try drinking warm water after meals or chia seeds soaked in milk (https://steemit.com/life/@masyl/chia-seeds-what-are-they-why-does-every-health-site-have-them-posted)  it isn't very pricey if you buy it from a spice shop, you can also try to reduce your intake of oil and try steaming instead, you could also try eggs for a meal they are rich in protein.