welcome to my world
Meaning
welcome to my world
(idiomatic, colloquial) Indicates that the speaker is very experienced with a (usually unpleasant) situation that is new to the interlocutor.
Synonym: welcome to my life
A: This job is too tough; I don't think I can do it!
B: Welcome to my world! I've been doing it for three years now.
Examples
My wife and I had an argument last week that was so stupid, it bears repeating. My wife collects twist ties. Welcome to my world.