Does crying due to delayed marriage and others' envy count as despairing of Allah's mercy, and does it disqualify one from the reward of the patient?

It is recommended to engage in supplications (Du'a) and morning and evening remembrances (Adhkar), especially reciting Surat Al-Ikhlas (definition) and Al-Mu'awwidhatayn (Surat Al-Falaq and Surat An-Nas) three times, and to consistently perform four rak'ahs of prayer at the beginning of the day. Also, to repeat "Hasbiyallahu la ilaha illa Huwa, 'alayhi tawakkaltu, wa Huwa Rabbul 'arshil 'azhim" (Sufficient for me is Allah; there is no deity except Him. Upon Him I have relied, and He is the Lord of the Great Throne) seven times in the morning and evening. It is also advised to adhere to the prescribed Islamic veil (Hijab (definition) Shar'i), uphold chastity, and avoid intermingling [with the opposite gender]. The guardian (wali) may also propose the girl to a righteous young man for marriage, with emphasis on making the dowry (mahr) light.