Not to be negative nelly here, but perhaps your lack of 100% commitment is sending mixed feelings on to your DH about what some consider a pretty expensive diet plan.
Between my first time on IP and this time, I unsuccessfully tried to restart so many times, that just the mention of it to my husband made him shrug his shoulders, not take me seriously, and show no support.
Now that I am committed he is always telling me how great I am doing, he went to get himself a gym membership (he isn't happy with the equipment in the base gym) and he took the initiative to get the information for us getting a family pass because at one point I briefly mentioned I wanted to start toning, he has gone out on his own and bought me clothes, which he never did before in the 10 years we have been together. The list goes on and on.
I'm not trying to blame you or make you feel bad, because I know how hard it is to stick with IP, but from my experience, don't listen to the naysayers, put yourself first, commit 100%, and I'm pretty sure people will change their negativity towards you about it all.
If not, at least you have us all here who are going to support you no matter what!