Graduate students receive a lot of benefits just for being students that offer great opportunities for little money.
Yes, graduate students can be parents as well!
The purpose of graduate school is ultimately to further your career. There will be opportunities outside of your program to help poise you for future success. Set yourself up to be able to take those opportunities.
Traveling as a graduate student may be easier and cheaper than traveling at other times in life. You can mix personal and professional travel and travel inexpensively as a young person.