It's completely not horrible as it seems like. Even that you will have to suck the mucus from your baby's nose, not a change it will get into your mouth. It works great and some babies really get to enjoy it
Even though all doctors will ask you for a rectal measurement once you call them, we found that being able to take temperature in just 2 seconds was very helpful at times when we weren't sure if the baby was just hot because he was too bundled, or actually had fever. These situations also tend to come with some fussiness, so doing things quickly is important at these stages.
Braun's ear thermometer is considered precise and easy to use.
The most horrifying phase, especially for a first time parent, is gas. It's very difficult to get rid of and you end up feeling desperate. The gripe water helps baby release gas and clam. It's not a magic wand, but it worth trying