<P> He is diagnosed with postpartum depression . He is then prescribed marijuana as a cure for this which stuns Lynette . In the episode `` Let Me Entertain You '' , Tom decides to hire his own mother as a nanny for the new baby . After a big argument , Lynette fires her mother - in - law , but Tom overrules her , telling her that she is going to stay . After Lynette and Allison 's talk , Tom 's mother shows symptoms of dementia to Penny , unknown to Lynette and Tom . Tom and Lynette finally discover Allison 's dementia on Halloween , after she collapses outside Gabrielle Solis ' house after going out to buy more candy , despite Penny telling her they had plenty . Allison is later admitted to a nursing home and Tom and Lynette agree to visit her there . Tom is deeply upset by his mother 's illness . In episode 9 Susan walks in on Tom and Lynette having sex on the nursery floor and is in awe at Tom 's huge penis ; she then confronts Lynette about why she has never mentioned it before . A drunken Renee reveals to Susan she once slept with him putting Susan in uncomfortable situation . When Susan is injured in a riot , a guilty Renee tells Tom she should reveal the truth but Tom insists she keep it quiet . Renee finally confesses to Lynette , revealing the affair took place when she and Tom were engaged but having one of their regular `` break - ups . '' Lynette is naturally upset but keeps it quiet and begins a series of pranks against Tom as payback . When Renee find out what Lynette is doing , she tells Tom about it . Tom confronts Lynette and tells that he wanted to tell her about Renee , but there was never a good time for that because he did not want to ruin the wonderful life they have together . Lynette then forgives Tom . </P>
<P> He is diagnosed with postpartum depression . He is then prescribed marijuana as a cure for this which stuns Lynette . In the episode `` Let Me Entertain You '' , Tom decides to hire his own mother as a nanny for the new baby . After a big argument , Lynette fires her mother - in - law , but Tom overrules her , telling her that she is going to stay . After Lynette and Allison 's talk , Tom 's mother shows symptoms of dementia to Penny , unknown to Lynette and Tom . Tom and Lynette finally discover Allison 's dementia on Halloween , after she collapses outside Gabrielle Solis ' house after going out to buy more candy , despite Penny telling her they had plenty . Allison is later admitted to a nursing home and Tom and Lynette agree to visit her there . Tom is deeply upset by his mother 's illness . In episode 9 Susan walks in on Tom and Lynette having sex on the nursery floor and is in awe at Tom 's huge penis ; she then confronts Lynette about why she has never mentioned it before . A drunken Renee reveals to Susan she once slept with him putting Susan in uncomfortable situation . When Susan is injured in a riot , a guilty Renee tells Tom she should reveal the truth but Tom insists she keep it quiet . Renee finally confesses to Lynette , revealing the affair took place when she and Tom were engaged but having one of their regular `` break - ups . '' Lynette is naturally upset but keeps it quiet and begins a series of pranks against Tom as payback . When Renee find out what Lynette is doing , she tells Tom about it . Tom confronts Lynette and tells that he wanted to tell her about Renee , but there was never a good time for that because he did not want to ruin the wonderful life they have together . Lynette then forgives Tom . </P>
who does tom have an affair with desperate housewives
who does tom have an affair with desperate housewives
Renee
Renee