Help?

Destiny • Two beautiful angels and my rainbow girl!
So what do you think? We're thinking about trying to bd atleast every two nights for the rest of the month. Any suggestions? Also they might all be like this because I had my normal 5 day period then three days later I had a 3-4 day period. He doesn't want to get ovulation kits because it makes him feel like it's a science project instead of making love to make a new life. I can't argue with that because its to sweet so is there any suggestions anyone could give me?