just wait a few weeks, BTC will dip back down, capital will flow from BTC back into alt coins...
little time heals all
If you think you will always took perfect decisions in trading you will have really miserable life. No one or 0.00001% people buy and sell at perfect time. What you need to do is zoom out and see if you had any profit with trading. Can you buy more cows with asset you have as you could before yous started. if you have less then you need to change strategy. Altcoins are doing super good in 2017.
If I would not make any mistakes I would start playing basketball. Would easily get 10 rings in NBA while never missing a shot.