I can't choose whether someone is offended by my actions. I can choose whether I care.

If you're afraid to change something it is clearly poorly designed.

I find that writing unit tests actually increases my programming speed

Any fool can write code that a computer can understand. Good programmers write code that humans can understand.

I can only think of so many good ideas in a week. Having other people contribute makes my life easier.

I can't choose whether someone is offended by my actions. I can choose whether I care.

The biggest issue on software teams is making sure everyone understands what everyone else is doing.