Astute salesmen know how to invest emotionally.

精明的商人懂得如何感情投资。

《新英汉大辞典》

Maintain na satisfactory job performance, but de-invest emotionally.

保持一个令人满意的工作表现，不过不要全身心地投入进去。

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Maintain a satisfactory job performance, but de-invest emotionally. This one takes practice, and meditation helps with this.

保持一个令人满意的工作表现，不过不要全身心地投入进去这需要练习，深思也有助于此。

youdao

The fans in Seattle were also eager to invest emotionally and financially in a club that cared as much about them as they did about it.

FORBES: E Pluribus Sounders (Part 2): Focusing on Fans While Building Towards an MLS Franchise

Most aren't ready to invest materially or emotionally in the re-building process until this hurricane season is past.

BBC: NEWS | Americas | One year on: Katrina's legacy

Customers expect vendors to invest financially, intellectually and emotionally in understanding and consistently meeting their evolving expectations.

FORBES: Customer Experience: Is It The Chicken or Egg?