▁front ▁room , ▁and ▁has ▁been ▁set ▁up ▁as ▁a ▁counter point ▁to ▁Frank , ▁both ▁of ▁whom ▁consider ▁the ▁other ▁as ▁" f akers " ▁regarding ▁their ▁ill ness es . ▁Lib by ' s ▁moving ▁into ▁the ▁Gall ag her ▁home ▁has ▁not ▁been ▁wel com ed ▁by ▁Frank ' s ▁sons . ▁Li am ▁Gall ag her ▁( John ny ▁Ben nett ) ▁in ▁particular ▁has ▁demonstrated ▁a ▁rather ▁cold ▁attitude ▁toward ▁Lib by , ▁perhaps ▁because ▁he ▁fear s ▁that ▁the ▁relationship ▁is ▁do omed ▁to ▁failure ▁anyway , ▁and ▁doesn ' t ▁want ▁to ▁get ▁too ▁friendly ▁with ▁Lib by . ▁However , ▁Lib by ▁has ▁gradually ▁been ▁accepted ▁by ▁most ▁of ▁the ▁family . ▁In ▁episode ▁ 1 3 ▁of ▁Series ▁ 8 ▁Lib by ▁was ▁found ▁to ▁be ▁ex ch anging ▁love ▁letters ▁with ▁a ▁colle ague . ▁The ▁colle ague ▁was ▁later ▁found ▁out ▁to ▁be ▁a ▁fig ment ▁of ▁her ▁imagination ▁bor ne ▁out ▁of ▁a ▁des perate ▁need ▁for ▁affection . ▁ ▁After ▁her ▁and ▁Frank ▁split , ▁Lib by ▁left ▁Ch ats worth ▁whilst ▁her ▁mother ▁and ▁god son ▁A idan ▁( Rob bie ▁Con way ) ▁chose ▁to ▁stay ▁with ▁the ▁Gall agh ers . ▁She ▁appeared ▁in ▁ 2 4 ▁episodes ▁overall . ▁ ▁Pat ty ▁Cro ker ▁ ▁Play ed ▁by : ▁Val erie ▁L ille y ▁( Series ▁ 7 – 1 0 ) ▁ ▁Pat ric ia ▁Fin ola ▁" Pat ty " ▁Cro ker ▁is ▁the