Make sure your child has time to be a child! Don't force them to grow up and deal with things too early. Kids are only young once, and it's important that they get to make the most out of it. Give them time to play and explore and to just be a kid. Check it out at http://www.amazon.com/gp/product/B00IPRGHHK.
Have someone besides mom introduce the baby to a bottle if needed. A baby who is being breastfeed will be less likely to take a bottle from the mother as they want what they are used to. The process will go much smoother if a dad or other caregiver gets the baby used to a bottle.
If you need to use the restroom, and your baby is upset at being placed in their carrier, turn on the bathroom fan and sink. Both of these noises mimic the sound of your heartbeat, which your baby was consistently soothed by in the womb. This technique should give you a few quiet minutes to take care of yourself.
Get a well made twin stroller that fits your life. There are two main types of twin strollers, the side to side and the back to back. Both have benefits that could recommend them for your children. A side by side will allow both babies to see the world in front of them, but as they get a little older it will also allow them to mess with each other. Back to back strollers are more likely to be compatible with car seats so look for what works for you.
If you have always wanted to be a better parent, one article probably won't get you to where you want to be, but that doesn't mean it won't be a step in the right direction. Use the tips that were presented to you here, and you will see a remarkable difference.