if any person ask this question it means that he/she need surety of your love for him/her.Say him/her i am always with you, its not only my words its my feeling and emotions for you :)

Please Help !
Thanks !

I didn't find the right solution from the internet.

References:
-https://forums.digitalpoint.com/threads/how-to-answer-this-question-how-much-do-you-love-me.2633421/
-Landing page video Examples