It depends on how old they are if they are old enough to know that, that is wrong then they are irresponsible.
A word for a person who does not like messes is "neat-freak." This term describes someone who is particularly meticulous about cleanliness and organization, often having a strong aversion to clutter and disorder. Another term you might use is "tidy," which can refer to someone who values cleanliness and order in their environment.
dump her she is more than likely to do it again, once a cheater always a cheater
Perhaps.
That someone messes with their nest.
Someone who frequently messes up things might be referred to as clumsy, careless, or accident-prone. Informally, you might also call them a "screw-up" or "blunderer." These terms emphasize their tendency to make mistakes or mishandle situations. However, it's important to use such labels with care, as they can be perceived negatively.
it means forgiveness ex. someone messes up forgive them.
no cos guys think they are always right
because my sister always messes it up
if he's always near you and always flirting with you and sometimes if he hits you and messes with you then he likes you
It means they act like a pig (sloppy messes, eating fast etc)
his name is Derrick Dunne, from Stanley's school
the best way to find out whether someone has a crush on you is to ask, now they either do or they dont.