This is why I am saying we need more contribution regularly from ulama mashaikheen sulaha on SF, because many people are in this same boat, they have very little interaction with Muslims and SF is for many people the most interaction they get with Muslims.
Back to your concerns on thread - I dont think you have jinn or black magic issues. Possibly you are dealing with great deal of kasl, laziness in worship, and this is common with everyone even big mashaikh experience this. There are two types of kasl, physical and intellectual. Intellectual is a trait of the hypocrites so you have no worries about that kasl, but you might be experiencing physical laziness and the only way to overcome it is to just use your innate courage ask dua and carry out your activities - there is no other way than this. Just use the ton of courage Allah swt has put in you.