@serendippity I'm so happy to hear you had good crew to look after you, most of us really do care so much about the customers we look after and I'm glad that showed.
With regards to hijackings, there are so many procedures put in place nowadays to avoid anything like that happening again. Flight deck doors have been reinforced and locking mechanisms introduced, along with cameras so that the flight crew can see who is trying to gain access, and if they deny entry then there is no way that door is opening. They will NEVER grant entry to a hijacker. There are many, many procedures in place to deal with situations like this - and despite what the media might have you believe, in the worst case scenario the vast majority of hijackings that do occur result in no fatalities, they are usually politically motivated or asylum seekers.
The most important thing to remember is that on the rare something goes wrong in the aviation industry they learn from it and they learn QUICKLY. On the rare occasion something goes wrong, the entire industry gets even safer.
With the crew on your way home, I'm sure they won't have minded your requests for water especially given the state they knew you were in. Unfortunately it is policy not to give out the bottles of water as there are only a limited amount onboard and it's not uncommon to run out, and if we give one away then everyone else wants one too - we have all learnt this the hard way one time or another!
I'm glad that my posts are helping - like I said, if I thought there was any chance I wasn't coming home to my little one I'd be on the job hunt straight away!