That’s good !
But, hmm…, you should say honestly you’ve got it from your Japanese friend.
Also, your mom probably wonder why you have money.
This month, I’ll fly to Jakarta, Indonesia and Hanoi, Vietnam, in addition to Thailand.
By the way, let me correct, “he” can be used for a man, such as your father, and “she” can be used for a woman, such as your mom.
So, if you say “he” for your mom, it means your mom is a man !