Why do guys text lol a lot?

Anonymous
ok my boyfriend is really annoying and I have noticed this with other guys too they will say lol even when there is nothing funny being said its so annoying. don't tell me it is a filler Because my boyfriend texts me long paragraphs and he says lol like 5 times. why do guys do this, are they retarded? for example

him: I'm eating a chilidog. it is so good lol

i don't understand. help me understand
Why do guys text lol a lot?
3 Opinion