Either speak to him or ignore him and forget it.
Stare back.
stare him back, soon he will get the hint and will start talking to you. Or, if you have had enough of waiting go up to him and talk to him; ask him why he never talks to you apart from when you start the conversation or you could even make the first move.
The weather is always a good starting point. You can also mention something interesting about the city you're in or local or regional events...
He probably wants to talk to her but he doesn't know how to start a conversation without making it awkward.
To start a conversation there always start with a greet and to maintain, someone has to share something about their own or knowledge their partner and to ending its because you have to leave or the conversation getting boring.
Maybe he doesnt know how to start a conversation with someone he likes, maybe he is nervous around you.
I would ask her why, goodluck!
always start a conversation then make to be friends after a while tell her you like her
Girls always love it when you always start a talk with a little tickle. Ask them "what's up" and that always gets a conversation going
well if you sit by him and he dosn't talk to you start a conversation
how do you start an intresting conversation with a girl you really love
Generally guys are known to start the conversation first, so if she does she really wants to talk to you, if she doesn't, well its expected.