Hi. The first 4 month of my relationship was great we had sex 4 to 5 times a night then she got pregnant and we did it 1 time a day then it was 1 time a week then 1 time month 4 16 months after my son was born it was 1 every 2 weeks and then it was 3 times a week after she whated to have more kids now it back 2 1 time a month. What can I do 2 have sex like we did at the start after she has this kid?