Valium is one of those tranquilisers to which you can build up a resistance and upon which you can become dependent. Notice the use of the word "can" twice. If you use them only if needed, and not in the "...hmmm, I'm feeling a bit twitchy, think I'll take one", or "...I've got such and such today, and I don't want to get in a tizz, so I'll just take the one to smooth over the edges" Or worse still, taking one three times a day to ensure a permanent warm and fuzzy feeling, you should be fine. I have been prescribed sleeping tablets as I have shocking insomnia, and have had for as long as I can remember, but only take any maybe once a fortnight, when I am desperate for just a few hours of consecutive sleep. Just the knowledge that I have them, and can use them if I really need to, makes it bearable and I don't end up taking them that night. At this stage of the game, for me, standing on some sort of principles about taking such medications is irrelevant. I've been poisoned to within an inch of my life with chemo and sliced open from one side to the other, with bits chopped off, and I refuse to make excuses to anyone about taking something very occasionally to give me a bit of respite.