Experiments with electricity and magnetism were first conducted in ancient times. However, the founder of the modern science of electricity was William Gilbert, a 17th century English physician. Gilbert was the first to introduce the term electricity.
Tough. But guess money talks.
Maintaining your identity is one thing but getting married is another thing. Could be wrong.
Makes you think about the quote by Guru Gobind Singh:
Raj Bina Nahin Dharam Chale Hain, Dharam Bina Sab Dalle Malle Hain
Are you sure it excludes the time on Nitnem? Nitnem would be around 1.5 hours and then on top of that another 2.5 hours is 4hours a day
Also, if someone is running a 'marathon' (just an example), they would usually need to start somewhere. 2.5 hours straight (done with total concentration) is basically impossible for someone who is a novice. Probably better to break it down into smaller chunks first, and build up gradually, just like you would do with your body for exercise.
Saying that, it's not impossible , but to be sustainable, stamina needs to be built up