First, we review classic results on Brownian motion (a) conditioned to be positive and (b) conditioned on not leaving the interval [-1,1], respectively. Then we present recent results on Brownian motion (a) conditioned on spending only limited time outside (0,\infty) and (b) conditioned on spending only limited time outside [-1,1], respectively. This is joint work with Martin Kolb (Paderborn) and Dominic Schickentanz (Paderborn).