Girls, my sister asked me to feel her breasts after she got them reconstructed and I said no and now she won't talk to me; why?

OK, my sister is recovering from breast cancer and she's been clear for a few months now and she got her breasts reconstructed. Today she got her bandages taken off and after we got home she walked up to me holding them and said "I'm not sure if they feel real, can you feel them and yell me?" I said no and now she won't talk to me. Why would she be that upset about me not feeling her boobs?
Girls, my sister asked me to feel her breasts after she got them reconstructed and I said no and now she won't talk to me; why?
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