I would say gain a little first, say 5 to 10 kgs at the most.. see how you feel with it and whether or not you like the extra weight and size that you attain..
Also, you can see whether or not this extra size and weight causes any problems with your basketball.
Then the choice becomes more like which do you prefer, your increased/increasing size or your playing basketball, but you cannot possibly make any sort of informed decision until you gain some weight first and then see how it feels - after all, you might not like it!
(Or you might like it and end up like me, I keep on gaining - all be it slowly, but I'm up over 50kg since I started!)
12 years
