My legs only ever shake from OVER stimulation / over sensitivity which is not a good feeling. When I actually orgasm my legs maybe move slightly, some muscle tension or whatever, but it’s definitely not shaking or trembling like with discomfort. I do not squirt, unless it is the third or so of consequent orgasms, which are hard to achieve anyway. The pleasure is different, sometimes I’ll have a very strong climax, sometimes it’ll be more mild. It depends more on how much stimulation has gone on in the days / hours prior. Generally if I had abstained from all sexual stimulation, my orgasm is stronger, and if I had already masturbated on the day it may be more difficult to achieve and or less intense.