The context of the following conversation is Jan was going on a camping trip. He bought a sleeping bag from a store.:
Jan says Tomorrow we leave on the big family camping trip..
The friend responds Oh that reminds me, I have the camping chairs you wanted to borrow in my car..
Jan responds Great, thanks, I'll grab them at lunch.  I have already bought so much stuff for it..
The friend responds Yeah, camping with a family involves a lot of supplies, that's why I sometimes like to do solo trips..
Jan responds You're not kidding, I had to go back to the camping store because in planning for everyone else I forgot to get myself a sleeping bag..
The friend responds At least now you will have everything, and can just pack up and go for the next camping trip..