Start by repeatedly occupying the same room and seeing if the other person doesn't leave. Then you can graduate to very brief eye contact. Then maybe 'hi' to the whole room and seeing if the person responds. Longer eye contact. A nod. Negative response at any point = back to square 1.
Start by repeatedly occupying the same room and seeing if the other person doesn't leave. Then you can graduate to very brief eye contact. Then maybe 'hi' to the whole room and seeing if the person responds. Longer eye contact. A nod. Negative response at any point = back to square 1.