If you ever feel useless, remember that for every good deed you do, whoever taught you it gets a good deed aswell, and that good deed just may be the reason they make it into paradise.
‘Ā’ishah Radi Allāhu ‘anha was asked: “What did Messenger of Allah ﷺ used to do inside his house?”
She answered: “He used to keep himself busy helping members of his family, and when it was the time for Salat (the prayer), he would get up for prayer.”
Reported by Al-Aswad bin Yazid (Radi-Allāhu ‘anhu)
[Bukhari - Riyad us Saliheen, Chapter 71, 606](via quietmuslimah)