yeah two months really isnt a long time, you only have about a 15% chance of becoming pregnant in any given month and that is a healthy couple....
also you can overdo the amount of sex you have...they say only to have sex everyother day in the week you will ovulate. if you have to much sex the male can have a lower sperm count and actually lower your odds of conception! everyother day is pleanty, male sperm can live for 2 days inside you so even if you have sex one day and then ovulate the next you still have a good chance of conception since the sperm are still alive and well
i am newly pregnant with baby # 2 (with my first daughter i was preg. within 3 months of stopping the pill, with this baby it took 6 months to concieve...and i bought the ovulation predictors had sex everyday i was "fertile" with nothing
and then it happened (finally) last month when we barley did anything and i wasnt even monitoring my "fertile" time...
relaxation....it is the key