Dating is complicated enough as is, but throw in the added layer of dating or maintaining a relationship long-distance, and you've got a whole new set of hurdles to cross.

All long-distance couples have a unique set of circumstances surrounding their relationship, and therefore, have their own expectations and routines that keep the relationship flowing.

But, it's no secret that distance can put a strain on any relationship. While for some couples, it may only bring them closer together, for others, it may expose cracks in the relationship, allow doubt to creep in, and cause some drifting apart.

What are some warning signs or "red flags" that a long-distance relationship is doomed? Are there tonal shifts, verbal cues, or specific situations that signify "the beginning of the end"? Tell us what you think in the comments below or submit anonymously using this form for a chance to be featured in a BuzzFeed Community article.
