For less than $40 you can treat yourself.
1— Meditation is brilliant. Start as low as 20 minutes a day. Less if you must. Gradually add in five minute increments each successive week. That'll improve your mind in powerful ways. You'll notice the change at week 8-10.
2—Physical exercise will intensify your neural pathways. Start with a body weight exercise so you develop your musculatuure as well as cardio simultaneously. Most people can't do 10 burpees or hindu squats in a stretch. I personally recommend going for 25 ,even if it takes you 25 minutes. After a week add another set.
3— Nutrition. What you eat and how you eat is the number one reason you do X or Y. Thus lack of focus is absolutely malnutrition. Work with a nutritionist if you can to get a full meal plan that you'll commit to you daily.
Your basics are to get all your essential vitamins and minerals, drink a gallon of water a day, and eat the foods that your body needs to manage your responsibilities.
This is mostly trial and error though a doctor can give you an indication of where to start by taking a blood panel to see where your metrics are for different nutrients
But that bsis is this: Irish Sea Moss has 99 of the 120 or so vitamins and minerals you need. This will cost you about $30.
Drinking water isn't enough if it doesn't have electrolytes in it. Put a pinch of sea salt in each cup you drink. If not, find an electrolyte alternative you prefer.
4— Sleep. Find out how much sleep you need each day. For me it's 8 hours. So manage your schedule to accommodate this, even if it means saying no to people and things while you adjust.
That's it. Most problems are solved by these 4 items either separately or altogether. It's so simple most ignore this advice and complicate it. Don't.
It's literally saved my life from suicidal thoughts to having a rich and full life where I get to help other men overcome similar challenges.
Wishing you well Brother.