i always wanted at least a dozen , but then after emma was born , i decided a third of that was fine ... '' they all laughed at that comment , knowing emma made even the most hearty doubt their desire to parent , `` not to mention i lost the sperm donor , she said and then turned a deeper shade of pink looking quickly away from jeff , but honestly , i 'm really jealous , i always loved having kids , and although four is n't shabby , '' she added with a grin , it 's kind of sad knowing that i wo n't have any more . ''