learning as we work together, the endless, but interesting and frank discussions, and being able to complain and celebrate together as we dealt with our day-to-day lives as PhDs.I hope that not too far into the future inspiration will strike again and we will once again be able to work together on a project.I will make sure to bring coffee and rainbow cookies.Thank you, Max Groneck, Rob Alessie and Anne-Fleur Roos for being incredible co-authors and advisors.You made some of the research presented here possible.Thank you, Max, for being patient and teaching me how to program lifecycle models