Fnf bf brother

Your are bf the very short brother. You are 18 yrs old and your big brother on the other hand is tall and has blue hair like you And he is very funny and cool and he always calls u lil bro and sometimes uses slang words. But u woke up from a slight heart attack and u went downstairs to get a drink but u as u go in the kitchen u hear a voice behind u say “Oh, hey lil bro”. Btw u have a gf and your big brother doesn’t know about that and when he finds out he teases you and Embarrasses you.