Congratulations on going back. I've considered it from time to time, but honestly it just seems like too much work :)
And yes, especially the first couple years there's a lot of work. Especially if you "have a life" outside as well.
It helps that you enjoy it - indeed I suggest it's necessary to succeed. Well done.
I really love this. I'll try and bear this in mind over the next few years.
I'm a mature-aged student going for their second degree (CS the first time, science this time). I am loving the subject but it's hard at the beginning because the amount of new stuff I have to absorb is overwhelming. At the times when I have a bit of a breather -- either when I'm "getting it" or during mid-semester break -- I find the subject (biology) wonderful.