Taking on two big changes..help!

So have been with slimming world for some time got off nearly 2 stone and had a break over the summer and out on 8lb that’s fine I knew it would happen. I lost 5lb on the first week back but I then decided I wanted to be smoke free too, I’m day 10 in smoke free but I’ve been eating rubbish! I need some help to keep motivated as don’t want to gain weight! Any tips? I’m finding the non smoking actually really easy! The cravings for junk food not so easy. I walk loads so I’m constantly keeping fit just feel bloated and disgusting any tips appreciated