OUR LIFE HAS BECOME SAME OLD SAME OLD... PLEASE HELP?

My husband an I have been together for 8 years, we have two children ages 3 and 4. I still find him Very attractive and I know he feels the same. Our relationship is amazing, hes my best friend. We hardly ever argue and love spending time together, I dont know what the problam is?! Everything is perfect except when it comes to . It has just become sorta Mechanical I guess. Its the same thing night after night. Ive baught games, y little outfits, a , lubricants with flavors, all sorts of things to try and get him outta his routine, Ive even offered (and hed didnt want it) I give him blow jobs (great ones:) But no matter what i try its the same thing... oral, him on top, doggy style, then he ms and its over! I dont know if this is normal or what but if any of you have any real useful advice it would be greatly appreciated. O just a little more info incase it will help... We are young, Iam 24 and hes 28 and we are bolth good looking people. THANK YOU