The fact he is married should be enough reason for you to try and move on.
It sounds like he's not prepared to leave his wife and you deserve to be more than his bit on the side.
Suddenly.
No, "suddenly" is not a complete sentence. It is an adverb that describes how an action is performed in a sentence.
you're getting boring or he sees another girl also he might think your cheating because a rumor started
Sure! I was playing outside when suddenly it started raining. Suddenly, I saw a butterfly flying in the garden. The bell rang suddenly, and it startled everyone in the classroom.
it gets the computer "started"
it gets the computer "started"
it means that you are losing the love feeling
it started the franco-prussian war.
No he is not married and does not have kids yet but he do have a girlfriend.
They started dating, and eventually married.
Rowena suspected that Polly had used her wish because Polly suddenly became distant and started avoiding her after making the wish. This made Rowena realize that Polly had likely made a selfish wish that may have caused harm to someone else.
Well if the guy who has a crush on YOU suddenly started dating your best friend, maybe you need to consider whether he liked you all that much in the first place, because surely if he liked you as much as you think he does then he wouldn't have started to date your best friend? but if that is the case, he ain't worth it and I'm sure you can do better.