give in

verb
  1. 1

    To collapse or fall

    โ€œThe roof gave in under the weight of the snow.โ€

  2. 2

    To relent, yield, surrender or admit defeat

    โ€œI finally gave in and let him stay up to watch TV.โ€

  3. 3

    (of a pugilist) to droop the head

Source: https://en.wiktionary.org/wiki/give%20in