Before you say something deep/altruistic like "We are doing it for customers..." (Yes, we all should.) Let's start with your inner initial motives.
Why did you start?
In many cases, one of the main reasons is:
– gaining freedom in the future (aka earning money so they can have more time and space for themselves and their families) 🤝
My was "doing things I liked doing". (and the reason still remains – I only broaden the spectrum of activities I like and practice them).