▁he ▁was ▁in ▁a ▁relationship ▁with ▁school mate ▁Kar en ▁Jackson ▁( R eb e cca ▁At kin son ), ▁who ▁d umps ▁him ▁for ▁his ▁own ▁father ▁Frank ▁Gall ag her ▁( David ▁Th rel fall ), ▁causing ▁him ▁to ▁batter ▁Frank ▁in ▁the ▁middle ▁of ▁the ▁street ▁in ▁a ▁ra ge . ▁He ▁is ▁balls y , ▁char ism atic ▁and ▁never ▁afraid ▁to ▁stand ▁up ▁to ▁anyone , ▁including ▁the ▁fe ared ▁Mag u ire ▁family . ▁Lip ▁dates ▁a ▁string ▁of ▁girls ▁throughout ▁the ▁show , ▁even ▁part aking ▁in ▁a ▁sexual ▁affair ▁with ▁L ena ▁Marshall ▁( B ran a ▁B aj ic ), ▁a ▁woman ▁consider ably ▁older ▁than ▁he ▁was . ▁ ▁Lip ▁is ▁close ▁to ▁younger ▁brother ▁Ian ▁Gall ag her ▁( G er ard ▁K ear ns ) ▁and ▁was ▁the ▁first ▁person ▁to ▁find ▁out ▁about ▁his ▁brother ' s ▁hom osex ual ity . ▁Lip ▁keeps ▁it ▁a ▁secret ▁and ▁eventually ▁becomes ▁completely ▁accepting ▁of ▁it . ▁In ▁series ▁ 3 , ▁M andy ▁gives ▁birth ▁to ▁K atie ▁but ▁does ▁want ▁to ▁involve ▁Lip ▁with ▁the ▁baby ▁as ▁she ▁bel ieves ▁he ▁will ▁walk ▁out ▁on ▁them . ▁That ▁same ▁night ▁Lip ▁takes ▁his ▁bl ame ▁on ▁Frank ▁and ▁accident ally ▁ins ult s ▁Deb bie ▁in ▁the ▁process . ▁ ▁He ▁is ▁highly ▁intellig ent , ▁takes ▁ 1 0 ▁GC SE s , ▁and ▁eventually ▁accepts ▁an ▁offer ▁from ▁Not ting ham ▁University ▁in ▁the ▁last ▁episode ▁of ▁Series