They only tease you if they like you
Some people hate being teased, because it makes them feel criticised in some way. We generally tease people about something that could be construed as a fault or a flaw, which therefore appears to carry a degree of criticism with it. Maybe the fact they have a tendency to be late for things, or the fact they bang on too much about a particular favourite topic, or the way they dress. Sometimes we even turn positives into negatives and tease someone for being predictably efficient or always impeccably turned out.
That’s what teasing is – gently making fun of someone about any trait that we particularly associate with them, dressed up jokingly as a negative in order to make it humorous.
There is a line ...