@KhisMama How is it going?
The "complete more events to unlock" (number 2) it means you need more relationship points to advance to the next level of relationship that shown in green bar top right with level of relationship. (Number 1 in picture)
You should fill that bar in number 1 to unlock that number 2 action.
If you want to give more points without event you could do the actions provided. But it's a long time to go.
Hope that Helps!