It’s easy for you to write friendships off.

（友情を見限るのは簡単なことです。）
　yasmin bolandの西洋占星術今週の山羊座予報より。いつもいつもあなたを悩ます人がいるのなら…という文から続き、…でもその前に自分の行いを見直して、というような文脈へ。

• write someone/something off の形で「〜を見限る」（to decide that someone or something is useless, unimportant, or a failure (= dismiss)／to drop someone or something from consideration.)
  • After six months of work, we eventually wrote the project off as a non-starter.
  • The manager wrote Tom off for a promotion.
  • I wrote off that piece of swampy land as worthless. It can't be used for anything.
  • I had to write Jill off as a future executive.
  • The company wrote off the electric automobile as a dependable means of transportation.
  • He would never work out. We wrote him off.