About trying for a baby

Me and my partner wants to have a baby and we both decided to try I have an inregula period so I said to him well we would have to have sex every 2 days for me to fall he said yh that's if I'm up for it I'm sure if you really wanted to have kids you would understand how its ment to be done dose it sound like as if he is being selfish and only thinking of him or dont atchly want to try or am I over thinking things I'm not sure what one it is it's getting me frustrated because we both said we want the same things in life and want to try for a baby but I'm getting confused now because of how his coming across