I've seen friendships break down over one person not doing the dishes for a prolonged period. The issue with friendships is usually there's some expectation of

I've seen friendships break down over one person not doing the dishes for a prolonged period. The issue with friendships is usually there's some expectation of being in it 'together' and to put in some sort of similar effort, despite the major power imbalance of employee vs. cofounder. If the founder feels their friend is for instance, giving say half the effort they are (which I feel personally is reasonable for an early stage employee, that they have a life), they may feel their friend is violating some notion of trust, despite the friend getting maybe 1% equity at best.