The Dane explained why he pushed to spend two years in Germany.
"It was the first big step I took," he told the club's website.
"I joined the first team here, but I was 18, so I knew I wasn't really going to get the games I needed to keep developing. Having not played any regular first team football, the Bundesliga seemed right for me, and it turned out to be.
"It was only supposed to be a year, but I wanted to make it two years so I had one year to learn the league and the second year to really push for it. I ended up playing the first year as well, so it was perfect for me.
"It also made me grow as a person. I still lived in digs when I was here. Living on your own does something to you, it's hard to explain what it is, but you have to take care of yourself and be ready to perform."
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!