"Younger me would have believed it more than now," she said.
Liu currently works with Austrian-born coach Clemens Wagner, whom she hired after the U. S.
Open last season to focus on maintaining an aggressive undertone on grass courts.
"My goals haven't changed, but I think the stress of how I got there really took a toll on me," said Liu.
The American qualifier is playing without clothing or shoe sponsors, securing equipment support from Head Sport and Asics Corp.
Her Wimbledon run has guaranteed her a career-highest payday of approximately $250,000.
"I checked out this morning, and I'm looking for hotels again," Liu said laughing.
She noted that her mother was ultimately able to rebook the same hotel after the match concluded.
"I think I'm going to check back into the same hotel, but we'll see. It's a day-by-day thing for sure," Liu said.
Liu explained to press members that her perspective on major tournaments remains unchanged despite her breakthrough victory.
"When I was younger, I was definitely more, 'Oh, I got this' kind of when you haven't seen anything, it's like your first time and you don't have anything to go off," Liu said.
The player uses her personal newsletter to manage her anxiety and share her perspective on professional tennis life.
"I would actually say no, it hasn't changed. It's a really interesting back-and-forth.
I think I would write another, why I hate Grand Slams part 2. It's the dream, everybody wants it.