Here are some quotes to start sentences with with complete strangers. They'll probably drop their bottom lip a little, furrow their brow, look askance and run for the concierge but it might make you an interesting friend, (pun intended).
"I just don't think Brooke could've done this. Exercise gives you endorphins. Endorphins make you happy. Happy wives don't shoot their husbands, they just don't."
"Vanity plays lurid tricks with our memory."
"Society exists only as a mental concept; in the real world there are only individuals."
"I don't watch television, I think it destroys the art of talking about oneself."