It gets easier. It’s never again like the first time where you freak out a little. Pro tip: get bulk niacin or open your capsule and mix with water. The flush is almost immediate and does not last as long as from a pill (or surprise you). I throw back 1g every morning and still have a little flush.
It’s funny that you mentioned that. I got brave one day and popped a 500mg capsule. It didn’t flush any worse than the 100mg I started with.