Plant based diet

how do i transition to a vegetarian diet espoused as able to strengthen immune system and prevent chronic diseases when ive cut out deep fried food,red meat,alcohol,cakes n pastry.shall i give up my gastronomic delights of a true chinese foodie n chomp on health food n crave my dim sum,shrimps n fish.i live to eat.no way. i read in the south china morning post about benefits of a whole food plant based diet for restorative health.be healthy n miserable .no way a cantonese can live like that in food paradise like Hong Kong .i also read article on sex for the elderly.crazy to attempt bedrobics and karma sutra at that age.karma will intervene with displacing your hip or fracture your pelvis with fragile bones,stiff arthrithic joints and limbs falling apart everywhere.a good massage works wonder on body than bedrobics at this age.most probably need joint replacement after twisting here and there.