I generally end up piling them in my lap during session. Then I either just put them in my purse or sometimes will throw them in T's trash can, which is by the door, but has a lid you have to lift off, so a bit of a pain. In my marriage counselor's office, his trash can is under his desk, so not easy to access, so I always put those in my purse to dispose of later. Once, when I got pretty emotional, he put the trash can in front of me, saying he didn't want me to have to hold them in my lap. Which felt very caring for some reason. He only did that the one time though...