On my 6S+ to consistently get 3D Touch to work properly, I have to maintain the pressure for almost the length of time as a long press. Else, if I only press hard it will perform the normal non-forced function or tease me with the animation but not the forced action. I miss it about a third the time because I forgot to hold the press longer. Does anybody experience this besides me, and does anybody think this sort of defeats the purpose of pressure sensitivity?