I have been pretending to go to work for two months

I was retrenched in March but I have not told my wife. Every morning I get dressed, take my laptop bag, and leave the house at the same time. I sit at the library or at a Wimpy with free wifi and apply for jobs all day. I come home at the normal time. I have been doing this for two months. We have savings that are covering the bills for now but they will not last much longer. I am too ashamed to tell her. I know I need to. I just do not know how.