Same question was being asked when the price hits $1,000 , $2,000 , $3000 and so on... that is the time when this price levels are considered "high". Now that it way more become higher, are we going to still have a doubt if we want to enter or not?

If a person really wants to enter bitcoin investment, they must accept that they have to deal with the current price at any cost. Yes they should have guts to throw away money and see what will be the output thereafter.

To make it short, if you really need to convert then dump. If you eye for long term and wants to add more to your hold coins, they buy. Up to you to decide.