You can test his love.

  • Create situations in which you are with him constantly for some time (May be one week) and in constant touch also.
  • Next make your absence prominent.Say you are busy next week and may not meet him or text him often.
  • His desperateness will be a sure sign.To know value of any thing , we must experience it, in a way that we will lose it.
  • Give him subtle clues.