TTC still coming to terms with saying yeas!

Iv been TTC since November 2007. I know its actually not that long, and im prepared for the fact it may never happen but still!! Im almost 36 and have two wonderful children from my previous relationship, girl and boy, 13yrs and 11yrs. I truely feel blessed with what i have, however, i would dearly like to have another child, as i had always wanted 5 daughters, yes, i come from a large family mainly of women and since my earliest memory i wanted a large family also.boy or girl, doesnt matter.

I had my daughter 10 days shy of my 22nd birthday, and my son 2.5 yrs later. My partner informed me he wouldnt be having any more children after the age of 30 as he would be too old, how times change. I work with children and for the past 20 yrs have done so in many differing capacities and for the most enjoyed all of it, however, now i have deffinietley talked myself into having another child everything seems so so much harder. Not to mention of the children i work with (10) at present,since November last, 3 mothers have given birth, we are expecting a further 4 babies in the next two months and if thats not bad enough my sister gave birth 2 weeks ago, my brother is due in two weeks and my bestest friend has a daughter of 7mths, trust me, i couldnt be happier for them, and i dont feel sad when im with the babies, just happy. My mum had my littles sister at 38yrs and my nan was 42 when giving birth to mum so im not panicking but who knows it may be my time soon, heres hoping.