Ya may not like everything Clinton says, but on this thread he has given a very good, insightful answer. In fact, the ONLY answer I've seen here so far.

If someone is so insecure that saying "I love you" doesn't help, they probably need psychiatric help. Some people are a bottomless pit, and the trick is in recognising that early enough that you don't get buried too. Been there, done that, got the t shirt and (fortunately) climbed out of the pit.