[Raphmedia]

Yes. There is nothing wrong with smoking weed. However, doing it when he gets back home and then going to sleep is bad.

Why spend time learning and then having some fun with playing around with software development when you can simply light one up and reach nirvana?

Dear OP, I've been in your shoes. Seriously, smoke less, or smoke as a reward. Cannabis is awesome if you want to draw something or play music. It's not so awesome when you must use your logical mind.

Yes, it makes you feel good. That's the point, and that's why you should avoid it. Let's say it boosts your happiness by 50 happiness points. Learning something simply increase your happiness by 10 happiness points... and only when the learning it done! Of course you are not going to want to spend time learning stuff!