Different kinds of alcohol have different effects on your body. Just how cheap liquor can make you sick, different kinds of liquor can make you feel different.
And yes the feeling from Hennessey is a good one. That and Gentleman Jack are my favorite drinks. Always take it neat though, it's not good to ruin good liquor like that by mixing.
You feel giddy drinkin any drink, i think. It all depends on you how fast you'll get drunk (how much u drink, how much u weigh, male vs. female, etc.) Just be responsible and have a good time.
For me, hell yeah. I get very aggressive when I'm off that Hen-doggy-dog. I hit on guys and am VERY forward. I also have a short fuse and will lash out if I feel like I'm being disrespected. When I'm drunk off of beer, I wind up peeing most of the time and get sleepy really fast. Wine makes me soft and gentle and I wanna make passionate love rather than just having sex.