Dan,
I'd like to throw my 2 cents in as well. This is a great thread and I'm glad that a subject like this can be discussed in a respectful manner.
I have never been an avid hunter, though I have done it in the past and would do it again if given the opportunity. My introduction to guns, shooting, and eventually hunting started at a young age. When I was allowed by my dad to go out with my BB gun by myself, I did shoot birds without much sadness. I viewed it then as a challenge that had been met and not that I had extinguished the life of an innocent animal. My immaturity continued for some years into high school. I never had that "blood lust" that was mentioned before, but rather just lacked a sad feeling after shooting something. I still viewed it as a challenge.
In high school my views started to change. One day while driving to work after school, a group of local dogs ran in front of my truck. I slowed down to let them pass, then, when I thought that they had all gone by, I started down the road again. Then I heard that dreaded "thump" under my tire. I got out to find a beautiful golden retriever puppy, probably 6 or 8 months old, dead in the road. I went and just sat in the road next to him, my eyes welling with tears. I had cut this innocent animal's life short, although unintentionally, and I hated myself for it. I think it was then that I came to appreciate life on a whole other level.
Since then I have not killed anything that I did not intend to eat and use to the fullest extent possible. Arguments are made that you do not HAVE to kill to eat. Though this may be true, I agree with whoever said that if you made the kill you have a much greater appreciation for it (Jonathan, I think). You are faced with the fact that you alone are responsible for the death of that animal and you had better make the most of it.
Dan, the fact that you are feeling what you are feeling is a good thing, IMO. It shows that you are mature and you understand what you are doing. Even more important, I think, is that you will pass this respect for animals on to your children.
Ok, that ended up being more like 8 or 9 cents. To all who have posted, thank you for your inputs.
Bryan